Most Expected Reasoning Questions for ECGC PO Exam 2024

Most Expected Reasoning Questions for ECGC PO Exam 2024: Preparing for the ECGC PO Exam? With the reasoning section often considered one of the trickiest parts of competitive exams, it’s crucial to get thorough practice in each topic of the syllabus. Here, we’ve compiled 200 essential reasoning questions, categorized by topic, to help you target and strengthen each area.

Let’s dive into topic-specific questions with solutions and explanations, giving you a clear understanding of the different types of questions you might encounter. With consistent practice, you’ll enhance your problem-solving skills, accuracy, and speed—key components to acing the reasoning section of the ECGC PO Exam.

1. Circular Arrangement Question

Eight friends A, B, C, D, E, F, G, and H are sitting around a circular table facing the center. Here are the clues:

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  • A is second to the left of D.
  • B is fourth to the right of A.
  • G is not an immediate neighbor of A or D.
  • F is seated immediately to the left of H.
  • C is third to the left of F. Question: Determine the seating arrangement of all eight friends. Solution + Explanation:
  1. Step 1: Start with the fixed clue, “A is second to the left of D.” Place D in a position and A two seats to its left.
  2. Step 2: “B is fourth to the right of A.” Count four seats clockwise from A and place B.
  3. Step 3: “G is not an immediate neighbor of A or D.” Ensure G is seated away from both A and D.
  4. Step 4: “F is immediately to the left of H.” Place F to the left of H.
  5. Step 5: “C is third to the left of F.” Place C by counting three seats counterclockwise from F. Answer: The arrangement should now be completed with all eight friends in place based on the clues provided.

2. Linear Arrangement Question

Five people J, K, L, M, and N are seated in a row facing north. Here are the clues:

  • J is second from the left end.
  • K is immediately to the right of M.
  • N is not sitting at either end.
  • L is to the immediate left of J. Question: Determine the seating arrangement of the five people. Solution + Explanation:
  1. Step 1: Place J second from the left end, as per the first clue.
  2. Step 2: “L is to the immediate left of J.” Place L to the immediate left of J.
  3. Step 3: “K is immediately to the right of M.” Since there are only two spots left, one must be for M and the other for K to the right of M.
  4. Step 4: “N is not sitting at either end.” N must be placed in the only middle position left. Answer: The final arrangement from left to right is L, J, N, M, K.

3. Circular Arrangement Question

Seven friends P, Q, R, S, T, U, and V are sitting around a circular table facing the center. Here are the clues:

  • P is third to the left of S.
  • Q is to the immediate right of S.
  • T is seated between Q and U.
  • R is not an immediate neighbor of P. Question: Determine the seating arrangement of all seven friends. Solution + Explanation:
  1. Step 1: Start with the clue “P is third to the left of S.” Place S and count three places counterclockwise to place P.
  2. Step 2: “Q is to the immediate right of S.” Place Q immediately to the right of S.
  3. Step 3: “T is between Q and U.” Place T between these two individuals.
  4. Step 4: “R is not an immediate neighbor of P.” Ensure R is seated away from P. Answer: Based on the clues, the positions of all seven friends should now be determined.

4. Linear Arrangement Question

Six people X, Y, Z, W, V, and U are sitting in a row facing north. Here are the clues:

  • X is sitting at one end.
  • W is fourth to the left of Z.
  • U is not at either end.
  • Y is second to the right of W. Question: Determine the seating arrangement of all six people. Solution + Explanation:
  1. Step 1: Place X at one end, as per the first clue.
  2. Step 2: “W is fourth to the left of Z.” Since there are six seats and W is four to the left of Z, place Z near the right end with W accordingly to its left.
  3. Step 3: “U is not at either end.” Place U in one of the middle seats.
  4. Step 4: “Y is second to the right of W.” Count two seats to the right of W and place Y. Answer: The final arrangement should be complete with everyone in their respective seats.

5. Circular Arrangement Question

Nine people A, B, C, D, E, F, G, H, and I are sitting around a circular table facing the center. Here are the clues:

  • A is fourth to the left of F.
  • C is to the immediate right of G.
  • H is not an immediate neighbor of B or C.
  • D is second to the left of I.
  • E is third to the right of B. Question: Determine the seating arrangement of all nine people. Solution + Explanation:
  1. Step 1: Start with “A is fourth to the left of F.” Place F and count four seats counterclockwise to place A.
  2. Step 2: “C is to the immediate right of G.” Place C to the right of G.
  3. Step 3: “H is not an immediate neighbor of B or C.” Ensure H is seated away from B and C.
  4. Step 4: “D is second to the left of I.” Place D by counting two seats counterclockwise from I.
  5. Step 5: “E is third to the right of B.” Place E three seats clockwise from B. Answer: Following these placements, all nine people should be seated according to the clues provided.

6. Box-Based Puzzle Question

Seven boxes are stacked one above the other. The clues are:

  • A is four boxes above B.
  • C is immediately above D.
  • E is not at the top or bottom.
  • F is not immediately adjacent to A.
  • G is two boxes below C. Question: Determine the sequence of the boxes from top to bottom. Solution + Explanation:
  1. Step 1: Start with the fixed clue, “A is four boxes above B.” Place A and B with A four boxes above B.
  2. Step 2: “C is immediately above D.” Place C and D accordingly, with C directly above D.
  3. Step 3: “G is two boxes below C.” Count two boxes below C and place G there.
  4. Step 4: “E is not at the top or bottom.” Place E in one of the middle positions.
  5. Step 5: “F is not immediately adjacent to A.” Ensure F is not next to A. Answer: Based on the clues, the final arrangement of the boxes can now be determined.

7. Floor-Based Puzzle Question

Six friends, P, Q, R, S, T, and U, live on different floors of a building. The clues are:

  • P lives two floors above T.
  • R lives on the second floor.
  • Q does not live on the first floor.
  • U lives directly below T.
  • S does not live on the top floor. Question: Determine each person’s floor. Solution + Explanation:
  1. Step 1: Start with “R lives on the second floor.” Place R on the second floor.
  2. Step 2: “P lives two floors above T.” This means T cannot be on the top or second floor, so place P and T accordingly.
  3. Step 3: “U lives directly below T.” Place U directly below T.
  4. Step 4: “Q does not live on the first floor.” Place Q on one of the remaining floors except the first.
  5. Step 5: “S does not live on the top floor.” Ensure S is not placed on the top floor. Answer: After following the clues, each person’s floor will be clearly defined.

8. Box-Based Puzzle Question

Eight boxes, numbered 1 to 8, are stacked one above the other. The clues are:

  • Box 1 is above Box 5.
  • Box 3 is immediately below Box 7.
  • Box 4 is not adjacent to Box 1.
  • Box 2 is three boxes above Box 6.
  • Box 8 is at the bottom. Question: Determine the sequence of the boxes from top to bottom. Solution + Explanation:
  1. Step 1: Start with “Box 8 is at the bottom.” Place Box 8 at the bottom.
  2. Step 2: “Box 1 is above Box 5.” Place Box 1 above Box 5.
  3. Step 3: “Box 3 is immediately below Box 7.” Place Box 3 below Box 7.
  4. Step 4: “Box 2 is three boxes above Box 6.” Place Box 2 above Box 6, ensuring there are three boxes in between.
  5. Step 5: “Box 4 is not adjacent to Box 1.” Ensure Box 4 is not next to Box 1. Answer: Based on the clues, the final sequence of boxes can now be determined.

9. Floor-Based Puzzle Question

Five people, A, B, C, D, and E, live on different floors of a building. The clues are:

  • A lives on the top floor.
  • D lives two floors above C.
  • B lives on the second floor.
  • E does not live on the top floor.
  • C does not live on the ground floor. Question: Determine each person’s floor. Solution + Explanation:
  1. Step 1: Start with “A lives on the top floor.” Place A on the top floor.
  2. Step 2: “B lives on the second floor.” Place B on the second floor.
  3. Step 3: “D lives two floors above C.” Ensure D is placed two floors above C.
  4. Step 4: “C does not live on the ground floor.” Place C on one of the higher floors, but not the first floor.
  5. Step 5: “E does not live on the top floor.” Place E on one of the remaining floors. Answer: Following these steps, each person’s floor will be determined.

10. Box-Based Puzzle Question

Six boxes are stacked one above the other. The clues are:

  • Box A is above Box C.
  • Box B is immediately below Box A.
  • Box E is two boxes above Box D.
  • Box F is not adjacent to Box E.
  • Box C is not at the bottom. Question: Determine the sequence of the boxes from top to bottom. Solution + Explanation:
  1. Step 1: Start with “Box C is not at the bottom.” Place Box C in a middle position.
  2. Step 2: “Box A is above Box C.” Place Box A above Box C.
  3. Step 3: “Box B is immediately below Box A.” Place Box B directly below Box A.
  4. Step 4: “Box E is two boxes above Box D.” Place Box E two positions above Box D.
  5. Step 5: “Box F is not adjacent to Box E.” Ensure Box F is not next to Box E. Answer: The sequence of the boxes will now be clearly determined.

11. Blood Relations Question

Clue: X is the mother of Y. Y is the daughter of Z. Z is married to W. How is W related to X?
Solution + Explanation:

  1. X is Y’s mother.
  2. Y is Z’s daughter, meaning Z is Y’s parent (father or mother).
  3. Z is married to W, so W is Z’s spouse.
  4. Therefore, W is X’s son-in-law. Answer: W is X’s son-in-law.

12. Blood Relations Question

Clue: A is the father of B. B is the son of C. C is married to D. How is D related to A?
Solution + Explanation:

  1. A is B’s father, and B is C’s son.
  2. This means C is B’s mother or father.
  3. Since C is married to D, D is C’s spouse.
  4. Therefore, D is A’s son-in-law. Answer: D is A’s son-in-law.

13. Blood Relations Question

Clue: M is the mother of N. N is the daughter of P. P is married to Q. How is Q related to M?
Solution + Explanation:

  1. M is N’s mother, and N is P’s daughter.
  2. This means P is N’s father.
  3. P is married to Q, so Q is P’s spouse.
  4. Therefore, Q is M’s husband. Answer: Q is M’s husband.

14. Blood Relations Question

Clue: A is the father of B. C is the brother of B. D is married to C. How is D related to A?
Solution + Explanation:

  1. A is B’s father, and C is B’s brother.
  2. Since C and D are married, D is C’s wife.
  3. Therefore, D is A’s daughter-in-law. Answer: D is A’s daughter-in-law.

15. Blood Relations Question

Clue: X is the brother of Y. Y is the father of Z. Z is married to W. How is X related to W?
Solution + Explanation:

  1. X is Y’s brother, and Y is Z’s father.
  2. This means Z is Y’s child, so X is Z’s uncle.
  3. Z is married to W, so W is Z’s spouse.
  4. Therefore, X is W’s brother-in-law. Answer: X is W’s brother-in-law.

16. Syllogism Question

Statements: All pens are tools. Some tools are expensive.
Conclusions:
(a) Some pens are expensive.
(b) Some tools are pens.
Solution + Explanation:

  1. “All pens are tools” establishes that pens are a subset of tools.
  2. “Some tools are expensive” means there is an overlap between tools and expensive items, but it doesn’t directly say anything about pens.
  3. Conclusion (a) does not follow because no direct link between pens and expensive tools is given.
  4. Conclusion (b) follows because all pens are tools, which confirms that some tools are pens.
    Answer: Only conclusion (b) follows.

17. Syllogism Question

Statements: All roses are flowers. No flower is a tree.
Conclusions:
(a) No rose is a tree.
(b) Some flowers are trees.
Solution + Explanation:

  1. “All roses are flowers” confirms that roses are a type of flower.
  2. “No flower is a tree” eliminates the possibility of flowers being trees.
  3. Conclusion (a) follows because roses, being flowers, cannot be trees.
  4. Conclusion (b) contradicts the second statement.
    Answer: Only conclusion (a) follows.

18. Syllogism Question

Statements: Some pencils are erasers. All erasers are rubbers.
Conclusions:
(a) Some pencils are rubbers.
(b) Some rubbers are pencils.
Solution + Explanation:

  1. “Some pencils are erasers” suggests that pencils and erasers overlap.
  2. “All erasers are rubbers” means every eraser is a rubber, which means some pencils, being erasers, are also rubbers.
  3. Conclusion (a) follows because some pencils are erasers, and all erasers are rubbers.
  4. Conclusion (b) is incorrect because not all rubbers are pencils, only those that are erasers.
    Answer: Only conclusion (a) follows.

19. Syllogism Question

Statements: All teachers are humans. Some humans are athletes.
Conclusions:
(a) Some teachers are athletes.
(b) All athletes are teachers.
Solution + Explanation:

  1. “All teachers are humans” defines the set of teachers as a subset of humans.
  2. “Some humans are athletes” tells us that some humans are athletes, but it doesn’t specify any overlap with teachers.
  3. Conclusion (a) does not follow, as there is no indication that any of the teachers are athletes.
  4. Conclusion (b) is incorrect because not all athletes are teachers.
    Answer: Neither conclusion follows.

20. Syllogism Question

Statements: Some fruits are sweet. All apples are fruits.
Conclusions:
(a) Some apples are sweet.
(b) All sweet things are fruits.
Solution + Explanation:

  1. “Some fruits are sweet” tells us that some fruits belong to the sweet category, but doesn’t specify which ones.
  2. “All apples are fruits” means that apples are included in the group of fruits, but doesn’t confirm whether they are sweet.
  3. Conclusion (a) does not follow, as we don’t know if apples are part of the sweet fruits.
  4. Conclusion (b) is incorrect because not all sweet things are fruits.
    Answer: Neither conclusion follows.

21. Inequality Question

Given: A > B = C ≤ D < E
Which of the following is true?
(a) A > C
(b) D ≤ B
Solution + Explanation:

  1. From the given inequality, A > B and B = C, which implies A > C.
  2. D ≤ B is not true because we know D < E and B = C, so D is not less than or equal to B.
    Answer: (a) A > C.

22. Inequality Question

Given: P ≥ Q > R = S ≤ T
Which of the following is the relationship between Q and T?
Solution + Explanation:

  1. The relationship between Q and T cannot be determined from the given information because the symbols “≥” and “≤” create possibilities for Q to be greater, equal, or smaller than T, depending on the value of R and S.
    Answer: The exact relationship cannot be determined.

23. Inequality Question

Given: X < Y = Z ≥ W < V
Which of the following is true?
(a) X < W
(b) Z > V
Solution + Explanation:

  1. From the inequality, X < Y and Y = Z, so X < Z.
  2. Z ≥ W and W < V, so Z is not greater than V, making conclusion (b) incorrect.
    Answer: (a) X < W.

24. Inequality Question

Given: A < B ≤ C > D ≥ E
Which of the following is true?
(a) C > E
(b) A ≥ E
Solution + Explanation:

  1. From the given inequality, C > D and D ≥ E, so C > E is true.
  2. A < B and B ≤ C, but there is no direct relation between A and E, making conclusion (b) incorrect.
    Answer: (a) C > E.

25. Inequality Question

Given: M ≥ N > O ≥ P < Q
Which of the following is true?
(a) M > P
(b) N ≤ Q
Solution + Explanation:

  1. From the inequality, M ≥ N and N > O, which means M > P.
  2. Since N > O and P < Q, it does not confirm N ≤ Q, making conclusion (b) incorrect.
    Answer: (a) M > P.

26. Coding-Decoding Question

Given: If ‘APPLE’ is coded as ‘BOQQF,’ what is the code for ‘BANANA’?
Solution + Explanation:

  1. In ‘APPLE’ → ‘BOQQF’, each letter is shifted by +1 (A → B, P → O, P → Q, L → Q, E → F).
  2. Applying the same logic to ‘BANANA’, we get:
    B → C, A → B, N → O, A → B, N → O, A → B.
    Therefore, the code for ‘BANANA’ is ‘CBOBOB’.
    Answer: CBOBOB.

27. Coding-Decoding Question

Given: If ‘HELLO’ is coded as ‘JGNNQ,’ what is the code for ‘WORLD’?
Solution + Explanation:

  1. In ‘HELLO’ → ‘JGNNQ’, each letter is shifted by +2 (H → J, E → G, L → N, L → N, O → Q).
  2. Applying the same logic to ‘WORLD’, we get:
    W → Y, O → Q, R → T, L → N, D → F.
    Therefore, the code for ‘WORLD’ is ‘YQTNF’.
    Answer: YQTNF.

28. Coding-Decoding Question

Given: If ‘COMPUTER’ is coded as ‘DPNUVFS’, what is the code for ‘SMART’?
Solution + Explanation:

  1. In ‘COMPUTER’ → ‘DPNUVFS’, each letter is shifted by +1 (C → D, O → P, M → N, P → U, U → V, T → F, E → S, R → T).
  2. Applying the same logic to ‘SMART’, we get:
    S → T, M → N, A → B, R → S, T → U.
    Therefore, the code for ‘SMART’ is ‘TNBSU’.
    Answer: TNBSU.

29. Coding-Decoding Question

Given: If ‘BANK’ is coded as ‘CBOL’, what is the code for ‘LOAN’?
Solution + Explanation:

  1. In ‘BANK’ → ‘CBOL’, each letter is shifted by +1 (B → C, A → B, N → O, K → L).
  2. Applying the same logic to ‘LOAN’, we get:
    L → M, O → P, A → B, N → O.
    Therefore, the code for ‘LOAN’ is ‘MPBO’.
    Answer: MPBO.

30. Coding-Decoding Question

Given: If ‘MACHINE’ is coded as ‘NBDIJOF’, what is the code for ‘TRAIN’?
Solution + Explanation:

  1. In ‘MACHINE’ → ‘NBDIJOF’, each letter is shifted by +1 (M → N, A → B, C → D, H → I, I → J, N → O, E → F).
  2. Applying the same logic to ‘TRAIN’, we get:
    T → U, R → S, A → B, I → J, N → O.
    Therefore, the code for ‘TRAIN’ is ‘USBJO’.
    Answer: USBJO.

31. Input-Output Question

Given the input: “42 ink 13 bottle 31,” arrange with the largest number in front, reversing word order. What is the final output?
Solution + Explanation:

  1. Identify the numbers: 42, 13, and 31.
  2. Arrange them with the largest number in front: 42, 31, 13.
  3. Reverse the word order: bottle ink.
  4. The final output is:
    Answer: 42 31 13 bottle ink.

32. Input-Output Question

Given the input: “5 book 7 pen 3 paper,” arrange the smallest number in front, reversing word order. What is the final output?
Solution + Explanation:

  1. Identify the numbers: 5, 7, and 3.
  2. Arrange them with the smallest number in front: 3, 5, 7.
  3. Reverse the word order: pen book.
  4. The final output is:
    Answer: 3 5 7 pen book.

33. Input-Output Question

Given the input: “10 apple 12 banana 8 mango,” arrange the largest number in front, reversing word order. What is the final output?
Solution + Explanation:

  1. Identify the numbers: 10, 12, and 8.
  2. Arrange them with the largest number in front: 12, 10, 8.
  3. Reverse the word order: mango banana apple.
  4. The final output is:
    Answer: 12 10 8 mango banana apple.

34. Input-Output Question

Given the input: “9 dog 6 cat 11 rabbit,” arrange the smallest number in front, reversing word order. What is the final output?
Solution + Explanation:

  1. Identify the numbers: 9, 6, and 11.
  2. Arrange them with the smallest number in front: 6, 9, 11.
  3. Reverse the word order: rabbit cat dog.
  4. The final output is:
    Answer: 6 9 11 rabbit cat dog.

35. Input-Output Question

Given the input: “8 book 2 pen 6 paper,” arrange with the largest number in front, reversing word order. What is the final output?
Solution + Explanation:

  1. Identify the numbers: 8, 2, and 6.
  2. Arrange them with the largest number in front: 8, 6, 2.
  3. Reverse the word order: pen paper book.
  4. The final output is:
    Answer: 8 6 2 pen paper book.

36. Data Sufficiency Question

Question: Is X the father of Y?
(i) X is married to Z, and Z is the mother of Y.
(ii) Y is the child of X.
Solution + Explanation:

  1. Statement (i) tells us that Z is Y’s mother, so X must be Y’s father if X is married to Z.
  2. Statement (ii) confirms that Y is the child of X.
  3. Both statements together provide enough information to confirm that X is the father of Y.
    Answer: Both statements together are sufficient.

37. Data Sufficiency Question

Question: Is P the brother of Q?
(i) P is married to R, and R is Q’s sister.
(ii) Q is the son of T.
Solution + Explanation:

  1. Statement (i) tells us that P is married to R, who is Q’s sister, so P cannot be the brother of Q.
  2. Statement (ii) does not give enough information to determine the relationship between P and Q.
    Answer: Statement (i) is sufficient to answer.

38. Data Sufficiency Question

Question: Is N taller than M?
(i) N is taller than P, and P is shorter than M.
(ii) M is taller than P.
Solution + Explanation:

  1. Statement (i) does not provide a direct comparison between N and M.
  2. Statement (ii) confirms that M is taller than P but still does not compare M and N directly.
    Answer: Neither statement alone is sufficient.

39. Data Sufficiency Question

Question: Is R the daughter of S?
(i) R is the granddaughter of S’s mother.
(ii) R is the daughter of S’s son.
Solution + Explanation:

  1. Statement (i) implies that R is the daughter of S’s child (S’s mother’s daughter), so R is S’s daughter.
  2. Statement (ii) directly confirms that R is the daughter of S’s son.
    Answer: Both statements together are sufficient.

40. Data Sufficiency Question

Question: Is X older than Y?
(i) X is younger than Z, and Z is older than Y.
(ii) Y is older than Z.
Solution + Explanation:

  1. Statement (i) does not provide enough information to compare X and Y.
  2. Statement (ii) does not directly compare X and Y.
    Answer: Neither statement is sufficient.

41. Logical Reasoning – Blood Relation

Question: A woman’s brother is the father of her son. How is the woman related to her son’s grandfather?
Solution + Explanation:

  1. The woman’s brother is the father of her son, so the woman’s brother is the son’s uncle.
  2. Therefore, the woman’s father is the grandfather of her son.
    Answer: The woman is the daughter of her son’s grandfather.

42. Logical Reasoning – Venn Diagram

Question: Statements:

  • All fruits are healthy.
  • Some fruits are sweet.
  • All sweet things are good for health.
    Conclusions:
    (a) All sweet things are fruits.
    (b) All fruits are good for health.
    Solution + Explanation:
  1. The first statement tells us that all fruits are healthy, and the third statement tells us that all sweet things are good for health.
  2. Conclusion (b) follows from the statements because fruits are healthy, and sweet things (which are also fruits) are good for health.
  3. Conclusion (a) does not follow because not all sweet things are fruits.
    Answer: Only conclusion (b) follows.

43. Logical Reasoning – Odd One Out

Question: Find the odd one out:
2, 4, 8, 16, 24, 32
Solution + Explanation:

  1. All numbers except 24 are powers of 2:
    • 2 = 2^1
    • 4 = 2^2
    • 8 = 2^3
    • 16 = 2^4
    • 32 = 2^5
  2. 24 is not a power of 2, making it the odd one out.
    Answer: 24.

44. Logical Reasoning – Number Series

Question: What comes next in the series?
1, 3, 6, 10, 15, __?
Solution + Explanation:

  1. The difference between consecutive numbers is increasing by 1:
    • 3 – 1 = 2
    • 6 – 3 = 3
    • 10 – 6 = 4
    • 15 – 10 = 5
  2. The next difference should be 6 (following the pattern of increasing by 1).
  3. Therefore, 15 + 6 = 21.
    Answer: 21.

45. Direction Sense Question

Question: A person walks 10 meters towards the north, turns right and walks 10 meters, then turns left and walks 5 meters. How far and in which direction is he from the starting point?
Solution + Explanation:

  1. The person starts at the origin.
  2. They walk 10 meters north.
  3. Then, they turn right (east) and walk 10 meters.
  4. After turning left (north) again, they walk 5 meters.
  5. The person is now 15 meters north and 10 meters east from the starting point.
  6. Using the Pythagorean theorem, the distance from the start is:
    (152+102)=225+100=325≈18.03\sqrt{(15^2 + 10^2)} = \sqrt{225 + 100} = \sqrt{325} \approx 18.03(152+102)​=225+100​=325​≈18.03 meters.
    Answer: 18.03 meters, northeast.

46. Logical Reasoning – Statement and Conclusion

Question:
Statements:

  • All pencils are pens.
  • Some pens are blue.
    Conclusions:
    (a) Some pencils are blue.
    (b) Some pens are not blue.
    Solution + Explanation:
  1. The first statement tells us that all pencils are pens.
  2. The second statement tells us that some pens are blue, but it doesn’t necessarily mean all pens are blue.
  3. Conclusion (a) follows because some pens are blue, and pencils are pens, so some pencils could be blue.
  4. Conclusion (b) is also valid because not all pens are blue.
    Answer: Both conclusions (a) and (b) follow.

47. Logical Reasoning – Syllogism

Question:
Statements:

  • No cat is a dog.
  • All dogs are animals.
    Conclusions:
    (a) Some animals are cats.
    (b) No animal is a cat.
    Solution + Explanation:
  1. The first statement says no cat is a dog, which means cats and dogs are two separate groups.
  2. The second statement says all dogs are animals, but it does not mention cats.
  3. Conclusion (a) follows because it is possible that some animals are cats.
  4. Conclusion (b) does not follow because there is no statement that excludes cats from being animals.
    Answer: Only conclusion (a) follows.

48. Logical Reasoning – Blood Relations

Question:
Statements:

  • P is the father of Q.
  • R is the mother of Q.
  • S is the brother of P.
    How is S related to R?
    Solution + Explanation:
  1. P is the father of Q, and R is the mother of Q, so P and R are Q’s parents.
  2. S is the brother of P, so S is P’s sibling.
  3. Therefore, S is R’s brother-in-law.
    Answer: S is R’s brother-in-law.

49. Logical Reasoning – Coding-Decoding

Question:
In a certain code, “LATER” is written as “MBSFS.” How would “NEVER” be written in the same code?
Solution + Explanation:

  1. Observing the pattern:
    • L -> M (shifted forward by 1)
    • A -> B (shifted forward by 1)
    • T -> S (shifted backward by 1)
    • E -> F (shifted forward by 1)
    • R -> S (shifted forward by 1)
  2. Applying the same pattern to “NEVER”:
    • N -> O (shifted forward by 1)
    • E -> F (shifted forward by 1)
    • V -> U (shifted backward by 1)
    • E -> F (shifted forward by 1)
    • R -> S (shifted forward by 1)
      Answer: “NEVER” would be written as “OFUFS.”

50. Logical Reasoning – Number Series

Question:
What comes next in the series?
5, 12, 19, 26, 33, __?
Solution + Explanation:

  1. The difference between consecutive numbers is 7:
    • 12 – 5 = 7
    • 19 – 12 = 7
    • 26 – 19 = 7
    • 33 – 26 = 7
  2. Therefore, the next number will be 33 + 7 = 40.
    Answer: 40.
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