Important RPF Constable Maths Questions, Practice MCQs

Mathematics is the most important section in the RPF Constable Syllabus. It is also one of the high-scoring areas for the candidates. The mathematics section consists of 35 questions, each carrying one mark. In this article, we have shared 50 important RPF Constable Maths Questions for the candidates. Candidates will be able to understand the level of difficulty through these mock questions.

RPF Constable Maths Questions

In the RPF Constable Exam Pattern, the mathematics section holds 35 questions. The details are tabulated below:

Section	Marks	Questions
General Awareness	50	50
Arithmetic	35	35
General Intelligence & Reasoning	35	35
Total	120	120

RPF Constable Maths MCQs: Questions with Answers

We have provided a complete set of 50 important questions for Mathematics. Candidates can refer to these questions while preparing for the exam:

1. What is 256÷8×4-32?
A) 96
B) 100
C) 120
D) 128
Answer: A) 96

2. Find the value of root 225+144?.
A) 25
B) 37
C) 49
D) 64
Answer: B) 37

3. What is (15)2−(13)2?
A) 26
B) 28
C) 56
D) 64
Answer: A) 56

4. If x=12x = 12, find x2+xx−3\frac{x^2 + x}{x – 3}.
A) 14
B) 15
C) 16
D) 18
Answer: C) 16

5. 45% of 320 = ?
A) 126
B) 144
C) 150
D) 160
Answer: B) 144

6. Find the least number divisible by 12, 18, and 24.
A) 72
B) 144
C) 216
D) 288
Answer: B) 72

7. Find the greatest 4-digit number divisible by 15.
A) 9990
B) 9995
C) 9996
D) 9999
Answer: A) 9990

8. What is the remainder when 987 is divided by 8?
A) 1
B) 2
C) 3
D) 4
Answer: C) 3

9. If 3/4 of a number is 36, find the number.
A) 42
B) 45
C) 48
D) 50
Answer: C) 48

10. Smallest prime number greater than 100?
A) 101
B) 103
C) 107
D) 109
Answer: A) 101

11. Divide ₹1200 in the ratio 3 : 5. What is the first share?
A) ₹400
B) ₹450
C) ₹500
D) ₹550
Answer: B) ₹450

12. If A : B = 2 : 3 and B : C = 4 : 5, find A : C.
A) 8 : 15
B) 2 : 5
C) 4 : 5
D) 6 : 7
Answer: A) 8 : 15

13. Two partners invest ₹50,000 and ₹70,000. Total profit is ₹24,000. Find A’s share.
A) ₹10,000
B) ₹11,000
C) ₹12,000
D) ₹13,000
Answer: C) ₹12,000

14. A sum of ₹900 is divided among A, B, C in the ratio 1 : 2 : 4. Find B’s share.
A) ₹200
B) ₹250
C) ₹300
D) ₹350
Answer: C) ₹300

15. If 4 pens cost ₹60, find the cost of 10 pens.
A) ₹120
B) ₹140
C) ₹150
D) ₹160
Answer: C) ₹150

16. A number is increased from 80 to 100. Find the % increase.
A) 15%
B) 20%
C) 25%
D) 30%
Answer: C) 25%

17. 25% of a number is 45. Find the number.
A) 150
B) 160
C) 170
D) 180
Answer: A) 180

18. If a student scored 420 marks out of 500, find the percentage.
A) 80%
B) 82%
C) 84%
D) 86%
Answer: C) 84%

19. A price of a pen is reduced from ₹60 to ₹48. Find the % decrease.
A) 15%
B) 18%
C) 20%
D) 25%
Answer: C) 20%

20. Find 12.5% of 640.
A) 70
B) 75
C) 80
D) 85
Answer: C) 80

21. A shopkeeper bought a book for ₹240 and sold it for ₹300. Find profit %.
A) 20%
B) 22%
C) 24%
D) 25%
Answer: D) 25%

22. Find the selling price if cost price is ₹400 and profit is 25%.
A) ₹480
B) ₹500
C) ₹520
D) ₹540
Answer: B) ₹500

23. A man sold a chair for ₹1,500 at a loss of 20%. Find its cost price.
A) ₹1,800
B) ₹1,850
C) ₹1,900
D) ₹2,000
Answer: A) ₹1,875

24. Marked price = ₹600, Discount = 10%, Find Selling Price.
A) ₹520
B) ₹530
C) ₹540
D) ₹550
Answer: C) ₹540

25. Cost Price = ₹500, Selling Price = ₹600, Find profit %.
A) 15%
B) 18%
C) 20%
D) 25%
Answer: D) 20%

26. Find S.I. on ₹1,200 at 10% p.a. for 2 years.
A) ₹220
B) ₹230
C) ₹240
D) ₹250
Answer: C) ₹240

27. Find principal if S.I. = ₹240, rate = 8% p.a., time = 3 years.
A) ₹900
B) ₹950
C) ₹1,000
D) ₹1,050
Answer: C) ₹1,000

28. Find the amount after 2 years on ₹5,000 at 12% p.a. compound interest.
A) ₹6,272
B) ₹6,272.00
C) ₹6,275
D) ₹6,280
Answer: B) ₹6,272.00

29. If ₹1,500 becomes ₹1,800 in 3 years, find the rate of S.I. p.a.
A) 5%
B) 6%
C) 7%
D) 8%
Answer: D) 8%

30. Find the C.I. on ₹2,000 at 5% p.a. for 2 years.
A) ₹205
B) ₹210
C) ₹215
D) ₹220
Answer: A) ₹205

31. A train runs at 60 km/h. How far will it travel in 45 minutes?
A) 40 km
B) 45 km
C) 50 km
D) 55 km
Answer: A) 45 km

32. A man covers 15 km in 3 hours. Find his speed in km/h.
A) 4 km/h
B) 5 km/h
C) 6 km/h
D) 7 km/h
Answer: B) 5 km/h

33. A train 180 m long passes a pole in 12 seconds. Find speed in km/h.
A) 45 km/h
B) 50 km/h
C) 54 km/h
D) 60 km/h
Answer: C) 54 km/h

34. Two trains cross each other in 10 seconds. Speeds are 50 km/h and 70 km/h. Find total length.
A) 300 m
B) 320 m
C) 333 m
D) 350 m
Answer: C) 333 m

35. A man runs at 8 km/h. How long will he take to cover 2.4 km?
A) 12 min
B) 15 min
C) 18 min
D) 20 min
Answer: A) 18 min

36. A can do a work in 12 days, B in 15 days. In how many days will they finish together?
A) 6 days
B) 6.5 days
C) 6.67 days
D) 7 days
Answer: C) 6.67 days

37. A and B can do a work in 10 days. A alone can do it in 15 days. Find days B takes alone.
A) 25 days
B) 28 days
C) 30 days
D) 35 days
Answer: C) 30 days

38. If 8 men can build a wall in 12 days, how many days will 6 men take?
A) 14 days
B) 15 days
C) 16 days
D) 18 days
Answer: C) 16 days

39. A does 1/4 of the work in 6 days. How long to complete the whole work?
A) 20 days
B) 22 days
C) 24 days
D) 26 days
Answer: C) 24 days

40. 4 men can paint a wall in 8 days. How many men to do it in 4 days?
A) 6 men
B) 7 men
C) 8 men
D) 9 men
Answer: C) 8 men

41. Find the area of a rectangle of length 12 cm and breadth 8 cm.
A) 90 cm²
B) 92 cm²
C) 94 cm²
D) 96 cm²
Answer: D) 96 cm²

42. Find the circumference of a circle with radius 7 cm (π=227\pi = \frac{22}{7}).
A) 42 cm
B) 44 cm
C) 46 cm
D) 48 cm
Answer: B) 44 cm

43. Find the volume of a cube with side 6 cm.
A) 216 cm³
B) 220 cm³
C) 225 cm³
D) 230 cm³
Answer: A) 216 cm³

44. Find the surface area of a sphere with radius 5 cm.
A) 300 cm²
B) 310 cm²
C) 314 cm²
D) 320 cm²
Answer: C) 314 cm²

45. Find the area of a triangle with base 10 cm and height 6 cm.
A) 25 cm²
B) 28 cm²
C) 30 cm²
D) 32 cm²
Answer: C) 30 cm²

46. The marks of 4 students are 40, 50, 60, and 70. Find the average marks.
A) 52.5
B) 53.5
C) 54.5
D) 55
Answer: D) 55

47. In a pie chart, 25% students like Maths. If total students = 200, find number of students liking Maths.
A) 40
B) 45
C) 50
D) 55
Answer: C) 50

48. In a bar graph, sales in Jan = ₹5,000 and in Feb = ₹7,000. Find % increase.
A) 30%
B) 35%
C) 38%
D) 40%
Answer: D) 40%

49. Average age of 5 people is 20 years. Find total age.
A) 90 years
B) 95 years
C) 100 years
D) 105 years
Answer: C) 100 years

50. A person scores 60% in a test of 150 marks. Find his score.
A) 85
B) 88
C) 90
D) 92
Answer: C) 90

Preparation Tips for Mathematics

We have provided some preparation tips for candidates to score well in the mathematics section. Applicants must follow these tips to qualify for the exam on their first attempt.

• Focus on important topics such as Simplification, Percentages, Profit & Loss, Ratio & Proportion, Time-Speed-Distance, Time & Work
• Memorize and revise the formulas regularly
• Solve Previous Year Papers for a better understanding
• Attempt 20-30 calculation drills regularly
• Undertake RPF Constable Mock Tests to monitor your performance
• Prepare a formula & shortcut notebook for last-minute revision

Exam aspirants must follow this article for effective preparation in Mathematics. For more such articles, visit the Oliveboard website.

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