SSC CHSL Tier 1 Quantitative Aptitude Practice Questions with Solutions

Quantitative Aptitude is one of the most scoring sections in the SSC CHSL Tier 1 Exam. It tests your numerical ability, calculation speed, and conceptual clarity. This section carries 25 questions for 50 marks. Practicing questions regularly can significantly improve your score. To help you prepare better, we have compiled 100 SSC CHSL Tier 1 Quantitative Aptitude Practice Questions with detailed solutions covering Arithmetic, Algebra, Geometry, Trigonometry, Data Interpretation, and Mensuration.

SSC CHSL Tier 1 Quantitative Aptitude Practice Questions with Solutions

Quantitative Aptitude is a key section of the SSC CHSL Exam, testing candidates’ speed and accuracy in solving numerical problems. This set of SSC CHSL Tier 1 Quantitative Aptitude Practice Questions with Solutions covers all important topics like Arithmetic, Algebra, Geometry, and Data Interpretation to help you prepare effectively for the upcoming SSC CHSL Tier 1 Exam.

Q1. Simplify: (25)² – (24)² = ?
a) 25
b) 49
c) 1
d) 48
Answer: (b) 49
Solution: Using (a² – b²) = (a – b)(a + b) = (1)(49) = 49

Q2. A number increased by 20% becomes 72. Find the number.
a) 50
b) 55
c) 60
d) 65
Answer: (c) 60
Solution: 1.2x = 72 ⇒ x = 60

Q3. The average of 5 numbers is 28. If one number is removed, average becomes 26. Find the number removed.
a) 35
b) 36
c) 38
d) 40
Answer: (b) 36
Solution: Total = 28×5=140, new total=26×4=104 ⇒ removed=36

Q4. Find the HCF of 72 and 108.
a) 12
b) 18
c) 24
d) 36
Answer: (d) 36

Q5. If 40% of a number is 80, find the number.
a) 160
b) 180
c) 200
d) 220
Answer: (c) 200

Q6. A man buys a book for ₹400 and sells it at 25% profit. Find SP.
a) 450
b) 475
c) 500
d) 520
Answer: (c) 500

Q7. If sin A = 3/5, find cos A.
a) 4/5
b) 3/4
c) 5/3
d) 1/2
Answer: (a) 4/5

Q8. The ratio of two numbers is 3:4 and their sum is 84. Find the numbers.
a) 36, 48
b) 30, 54
c) 42, 56
d) 21, 63
Answer: (a) 36, 48

Q9. Find the simple interest on ₹5000 at 8% per annum for 2 years.
a) 600
b) 700
c) 800
d) 900
Answer: (c) 800

Q10. A trader sells an article at 10% loss. If sold for ₹270 more, he would gain 5%. Find CP.
a) 1800
b) 2000
c) 2200
d) 2400
Answer: (a) 1800

Q11. A train travels 360 km at 90 km/h. Find time taken.
a) 2 hrs
b) 3 hrs
c) 4 hrs
d) 5 hrs
Answer: (c) 4 hrs

Q12. If 12 men can do a work in 10 days, how many men are required to finish it in 8 days?
a) 14
b) 15
c) 12
d) 10
Answer: (b) 15
Solution: M₁D₁ = M₂D₂ ⇒ 12×10= M×8 ⇒ M=15

Q13. Find the area of a triangle with base 10 cm and height 8 cm.
a) 30
b) 35
c) 40
d) 45
Answer: (c) 40

Q14. A person covers a distance of 120 km in 3 hours. Find his speed.
a) 30 km/h
b) 40 km/h
c) 50 km/h
d) 60 km/h
Answer: (b) 40

Q15. The sum of digits of a two-digit number is 9. If digits are reversed, number increases by 27. Find number.
a) 36
b) 45
c) 54
d) 63
Answer: (a) 36

Q16. Simplify: (3/4) + (7/8) – (5/16)
a) 15/16
b) 17/16
c) 13/16
d) 19/16
Answer: (b) 17/16

Q17. The average age of 3 friends is 20. If one new friend joins, average becomes 22. Find new friend’s age.
a) 26
b) 28
c) 30
d) 32
Answer: (d) 32

Q18. A sum becomes ₹1200 in 2 years and ₹1320 in 3 years at simple interest. Find principal.
a) 1000
b) 1100
c) 1200
d) 900
Answer: (a) 1000

Q19. A man spends 40% of his income on rent, 30% on food, and saves ₹1800. Find his income.
a) 3000
b) 4000
c) 5000
d) 6000
Answer: (d) 6000

Q20. If the radius of a circle is 7 cm, find its area.
a) 144
b) 154
c) 178
d) 200
Answer: (b) 154

Q21. A sum of money doubles itself in 8 years at simple interest. Find rate.
a) 10%
b) 12.5%
c) 15%
d) 20%
Answer: (b) 12.5%

Q22. A can do a work in 15 days, B in 20 days. Together they will complete in –
a) 8 days
b) 9 days
c) 10 days
d) 12 days
Answer: (c) 10 days

Q23. The perimeter of a square is 32 cm. Find its area.
a) 64
b) 100
c) 128
d) 256
Answer: (a) 64

Q24. If x = 5 and y = 3, find value of (x² + y² + 2xy).
a) 49
b) 64
c) 81
d) 100
Answer: (a) 64

Q25. Find compound interest on ₹8000 at 10% per annum for 2 years.
a) 1600
b) 1680
c) 1720
d) 1760
Answer: (b) 1680

Q26. A car travels 150 km in 3 hours. Find speed in m/s.
a) 13.8
b) 14.5
c) 15
d) 16.6
Answer: (a) 13.8

Q27. A shopkeeper sells a watch at 10% profit and another at 10% loss. Find overall gain/loss %.
a) 1% loss
b) 1% gain
c) No profit no loss
d) 0.5% loss
Answer: (a) 1% loss

Q28. The average of 10 numbers is 20. If one number 40 is added, new average is –
a) 21
b) 22
c) 23
d) 24
Answer: (b) 22

Q29. If 6 workers can complete a task in 15 days, in how many days will 10 workers do it?
a) 8
b) 9
c) 10
d) 12
Answer: (b) 9

Q30. If 12% of x = 72, find x.
a) 500
b) 550
c) 600
d) 650
Answer: (c) 600

Q31. A man bought an article for ₹1500 and sold it for ₹1800. Find profit %.
a) 15%
b) 18%
c) 20%
d) 25%
Answer: (c) 20%

Q32. Find the perimeter of a rectangle whose length = 12 cm and breadth = 8 cm.
a) 30
b) 36
c) 40
d) 44
Answer: (c) 40

Q33. If tan A = 1, then A = ?
a) 30°
b) 45°
c) 60°
d) 90°
Answer: (b) 45°

Q34. A sum of ₹5000 amounts to ₹6000 in 2 years under CI. Find rate.
a) 8%
b) 9%
c) 10%
d) 12%
Answer: (d) 9.5% approx

Q35. If radius of sphere is 3 cm, find its volume.
a) 108π
b) 36π
c) 27π
d) 45π
Answer: (a) 108π

Q36. 20% of a number is 60. Find the number.
a) 200
b) 250
c) 300
d) 350
Answer: (c) 300

Q37. Find the mean of 4, 6, 8, 10, 12.
a) 8
b) 9
c) 10
d) 11
Answer: (b) 8

Q38. A bag contains 3 red, 5 green, and 2 blue balls. Probability of drawing a green ball?
a) 1/2
b) 2/5
c) 1/5
d) 1/4
Answer: (b) 1/2

Q39. A man walks 5 km at 5 km/h and 10 km at 10 km/h. Find average speed.
a) 7.5 km/h
b) 6.66 km/h
c) 8 km/h
d) 9 km/h
Answer: (b) 6.66 km/h

Q40. If CP = ₹240, SP = ₹300, profit % = ?
a) 20%
b) 22%
c) 24%
d) 25%
Answer: (d) 25%

Q41. If 3 pencils cost ₹15, what will 7 pencils cost?
a) ₹30
b) ₹35
c) ₹40
d) ₹45
Answer: (b) ₹35

Q42. If A:B = 2:3 and B:C = 4:5, find A:C.
a) 8:15
b) 6:9
c) 4:5
d) 2:5
Answer: (a) 8:15

Q43. Find the mode of 3, 5, 5, 7, 8, 5, 9.
a) 5
b) 7
c) 8
d) 9
Answer: (a) 5

Q44. What is 15% of 240?
a) 30
b) 32
c) 34
d) 36
Answer: (d) 36

Q45. If radius of cylinder = 7 cm and height = 10 cm, find volume.
a) 1500π
b) 490π
c) 700π
d) 770π
Answer: (b) 490π

Q46. A can do a work in 10 days, B in 20 days. Together they can complete it in –
a) 6.6 days
b) 7 days
c) 8 days
d) 9 days
Answer: (b) 6.67 days

Q47. Simplify: √144 + √49 = ?
a) 17
b) 18
c) 19
d) 20
Answer: (a) 17

Q48. If x% of 200 = 60, find x.
a) 20%
b) 25%
c) 30%
d) 35%
Answer: (c) 30%

Q49. Find the average of first 10 natural numbers.
a) 4.5
b) 5
c) 5.5
d) 6
Answer: (c) 5.5

Q50. Find CI on ₹10000 at 10% per annum for 2 years.
a) 2000
b) 2100
c) 2200
d) 2300
Answer: (b) 2100

Read other SSC CHSL blogs:

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How to Analyze SSC CHSL Mock Test	SSC CHSL Previous Year General Awareness Questions
SSC CHSL English Preparation Tips

Download SSC CHSL Quantitative Aptitude 100 Questions PDF

To get all 100 solved questions with solution in PDF format for offline practice, click below:

SSC CHSL Tier 1 Exam Pattern

The SSC CHSL Exam Pattern for Tier 1 2025 includes 100 multiple-choice questions for a total of 200 marks, divided equally across four subjects General Awareness (25 questions, 50 marks), General Intelligence (25 questions, 50 marks), Quantitative Aptitude (25 questions, 50 marks), and English Language (25 questions, 50 marks). The SSC CHSL Tier 1 Exam details are as follows:

Subjects	Questions	Marks
General Awareness	25	50 Marks
General Intelligence	25	50 Marks
Quantitative Aptitude	25	50 Marks
English Language	25	50 Marks
Total	100	200 Marks

SSC CHSL Topic Wise Weightage for Quantitative Aptitude

The Chapter-wise weightage for the SSC CHSL Quantitative Aptitude is as follows:

Topics	Number of Questions	Difficulty Level
Arithmetic (includes Ratio and Proportion, Simple and Compound Interest, Speed, Time and Distance, Time and Work, Percentages and number system)	8	Easy-Moderate
Algebra	4	Easy-Moderate
Trigonometry	3	Easy-Moderate
Mensuration	3	Easy-Moderate
Geometry	3	Easy-Moderate
Statistical charts	2	Easy-Moderate
Profit and Loss	2	Easy-Moderate
Total	25

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