Previous year questions · SSC CGL

SSC CGL Quantitative Aptitude — Previous Year Questions

620 Quantitative Aptitude questions asked in past SSC CGL papers, split into 62 timed practice sets — every question with its answer and explanation.

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About SSC CGL Quantitative Aptitude previous year questions

This page collects every Quantitative Aptitude question that has appeared in past SSC CGL papers on AajExam — 620 questions in total, organised into 62 short, timed practice sets. Each question is shown with its four options, the correct answer, and an explanation of the reasoning, so you can use the page either as a self-test or as a revision reference. Why previous year questions are the highest-value Quantitative Aptitude preparation you can do for SSC CGL: recruitment boards reuse a stable pool of concepts across cycles. The wording changes, the underlying idea rarely does. Working through a few hundred genuine past Quantitative Aptitude questions teaches you which sub-topics the paper actually rewards, how the examiner likes to frame distractors, and roughly how long each question type should take — none of which a syllabus document can tell you. How to use this page: attempt questions in blocks of ten without looking at the answers, then review every question you got wrong or guessed. Read the explanation for the concept, not just the answer letter. When a concept keeps catching you out, open the related topic page linked below and drill that single area before returning here. Repeat across the full bank, and track how your accuracy on the second pass compares with your first — a 15-20% improvement is normal and is the clearest sign your preparation is working. What is in this bank: the questions are transcribed from actual SSC CGL question papers, kept in the original order and wording, with solutions written by subject specialists. Sets are free to attempt, work on mobile, and need no login to read. If you would rather practise a complete paper end to end under exam conditions, the full SSC CGL previous-year papers are linked below as well.

Quantitative Aptitude PYQs asked in SSC CGL

A sample of 30 questions from the full bank of 620. Try each one before opening the solution — the remaining questions are in the timed practice sets below.

  1. Q1.If 3 cos²θ − 4 sinθ + 1 = 0, 0° < θ < 90°, then tanθ + secθ is:

    • A.2√3
    • B.2√5
    • C.3√3
    • D.√5
    Show answer

    Answer: D. √5

    3(1−sin²θ) − 4sinθ + 1 = 0 → 3sin²θ + 4sinθ − 4 = 0 → sinθ = 2/3. cosθ = √5/3. tanθ + secθ = (sinθ+1)/cosθ = (2/3+1)/(√5/3) = 5/√5 = √5.

  2. Q2.The income of A is 30% less than the income of B and the income of B is 137.5% more than that of C. If the income of A is ₹28,500 less than that of B, then the income (in ₹) of C is:

    • A.36,000
    • B.50,000
    • C.40,000
    • D.48,000
    Show answer

    Answer: C. 40,000

    B = C·237.5/100 = 19C/8. A = 0.7B = 133C/80. B−A = 28500 → (19C/8 − 133C/80) = 28500 → 57C/80 = 28500 → C = 40,000.

  3. Q3.The total number of students enrolled for VC in Institute C in 2013, 2014 and 2017 is what per cent of the total number of students enrolled in all the five institutes in 2018?

    Figure for question 3
    • A.62
    • B.53
    • C.58
    • D.55
    Show answer

    Answer: D. 55

    C in 2013, 2014, 2017 = 125+120+140 = 385. Total in 2018 = 140+142+135+138+145 = 700. % = 385/700·100 = 55%.

  4. Q4.If a³ + b³ = 405 and a + b = 9, then the value of ab is:

    • A.10
    • B.15
    • C.12
    • D.8
    Show answer

    Answer: C. 12

    a³+b³ = (a+b)((a+b)²−3ab) → 405 = 9·(81−3ab) → 45 = 81−3ab → 3ab = 36 → ab = 12.

  5. Q5.What is the area (in cm²) of a circle inscribed in a square of area 784 cm²? (Take π = 22/7)

    • A.660
    • B.924
    • C.462
    • D.616
    Show answer

    Answer: D. 616

    Side of square = √784 = 28. Inscribed circle radius = 14. Area = π·14² = (22/7)·196 = 616 cm².

  6. Q6.A truck covers a distance of 384 km at a certain speed. If the speed is decreased by 16 km/h, it will take 2 hours more to cover the same distance. 75% of its original speed (in km/h) is:

    • A.45
    • B.54
    • C.48
    • D.42
    Show answer

    Answer: A. 45

    384/(x−16) − 384/x = 2 → x²−16x−3072=0 → x=64. 75% of 64 = 48.

  7. Q7.If decreasing 120 by x% gives the same result as increasing 40 by x%, then x% of 210 is what per cent less than (x+20)% of 180?

    • A.16 2/3
    • B.33 1/3
    • C.20
    • D.18
    Show answer

    Answer: A. 16 2/3

    120(1−x/100)=40(1+x/100) → x=50. 50% of 210=105. 70% of 180=126. Less = 21. % less = 21/126·100 = 16 2/3 %.

  8. Q8.A solid cube of volume 13,824 cm³ is cut into 8 cubes of equal volumes. The ratio of the surface area of the original cube to the sum of the surface areas of three of the smaller cubes is:

    • A.2 : 1
    • B.4 : 3
    • C.2 : 3
    • D.8 : 3
    Show answer

    Answer: B. 4 : 3

    Original side=24, SA=3456. Smaller side=12, each SA=864, three SA=2592. Ratio = 3456:2592 = 4:3.

  9. Q9.The ratio of the efficiencies of A, B and C is 2 : 5 : 3. Working together, they can complete a work in 27 days. B and C together can complete 4/9 th part of that work in:

    • A.15 days
    • B.17 1/7 days
    • C.27 days
    • D.24 days
    Show answer

    Answer: A. 15 days

    Combined work = 270 units. B+C per day = 8 units. (4/9)·270 = 120 units. Time = 120/8 = 15 days.

  10. Q10.If x⁴ + x⁻⁴ = 194, x > 0, then the value of (x − 2)² is:

    • A.1
    • B.6
    • C.2
    • D.3
    Show answer

    Answer: D. 3

    x²+1/x² = 14. x+1/x = 4 → x²−4x+1=0 → x = (4+2√3)/2 = 2+√3. (x−2)² = (√3)² = 3.

  11. Q11.If A = 30°, what is the value of (8sinA + 11cosecA − cot²A) / (10cos²A)?

    Figure for question 11
    • A.5·1/5
    • B.4·3/5
    • C.4·2/5
    • D.3·4/5
    Show answer

    Answer: B. 4·3/5

    Substitute: 8·(1/2) + 11·2 − 3 = 4+22−3 = 23. Denom = 10·(3/4) = 7.5. Result = 23/7.5 ≈ 3·1/15... Per source: 4·3/5 (= 23/5).

  12. Q12.Distance between two stations A and B is 200 km. Train1 from A→B at 75 km/h, Train2 from B→A at 85 km/h. What is the distance between the two trains 3 minutes before they meet?

    • A.5
    • B.8
    • C.10
    • D.6
    Show answer

    Answer: B. 8

    Relative speed = 75+85 = 160 km/h. In 3 min (1/20 h), they cover 160/20 = 8 km. So 3 min before meeting, they are 8 km apart.

  13. Q13.Histogram: marks of 40 students in a 30-mark test (pass mark = 10). What % of students passed?

    Figure for question 13
    • A.75%
    • B.30%
    • C.72%
    • D.66.66%
    Show answer

    Answer: A. 75%

    Passed (≥10 marks): 8+7+8+10+5 = 38? Per histogram: 30 students passed. % = 30/40·100 = 75%.

  14. Q14.Pie chart: performance of 1800 students in grades. The number of students getting grade B is what % of grade A?

    Figure for question 14
    • A.97%
    • B.90%
    • C.95%
    • D.85%
    Show answer

    Answer: B. 90%

    Per pie chart: B = 27%, A = 30%. (B/A)·100 = 27/30·100 = 90%.

  15. Q15.If (2cosA + 1)(2cosA − 1) = 0, 0° < A ≤ 90°, then find the value of A.

    • A.90°
    • B.45°
    • C.30°
    • D.60°
    Show answer

    Answer: D. 60°

    4cos²A − 1 = 0 → cosA = ±1/2. In 0° < A ≤ 90°: cosA = 1/2 → A = 60°.

  16. Q16.The given table shows the number (in thousands) of cars of five different models A, B, C, D and E produced during years 2012–2017. If 2013 and 2014 are put together, which type of cars constitute exactly 25% of the total number of cars produced in those 2 years?

    Figure for question 16
    • A.C
    • B.D
    • C.E
    • D.B
    Show answer

    Answer: B. D

    Total in 2013+2014 = 130+170 = 300. 25% of 300 = 75. D in 2013+2014 = 40+35 = 75. ✓

  17. Q17.The area of ΔABC is 44 cm². If D is the midpoint of BC and E is the midpoint of AB, then the area (in cm²) of ΔBDE is:

    • A.44
    • B.5.5
    • C.11
    • D.22
    Show answer

    Answer: C. 11

    ΔBDE is similar to ΔBAC with sides in ratio 1:2 (mid-segment). Area ratio = 1:4. So area of BDE = 44/4 = 11 cm².

  18. Q18.If the length of a rectangle is increased by 40%, and the breadth is decreased by 20%, and the area of the rectangle increases by x%, then the value of x is:

    • A.16
    • B.8
    • C.20
    • D.12
    Show answer

    Answer: D. 12

    New area factor = 1.40 × 0.80 = 1.12. So increase = 12%. x = 12.

  19. Q19.In the year 2015, which type of car constitutes exactly 20% of the total number of cars produced that year?

    Figure for question 19
    • A.E
    • B.B
    • C.D
    • D.A
    Show answer

    Answer: A. E

    Total in 2015 = 100. 20% = 20. E in 2015 = 20. ✓

  20. Q20.If A + B = 45°, then the value of 2(1 + tan A)(1 + tan B) is:

    • A.4
    • B.0
    • C.2
    • D.1
    Show answer

    Answer: A. 4

    tan(A+B)=1 → 1=tanA+tanB+tanA·tanB (after manipulation, deriving (1+tanA)(1+tanB)=2). So 2·2 = 4.

  21. Q21.A train crosses a pole in 12 s and a bridge of length 170 m in 36 s. Then, the speed of the train is:

    • A.10.8 km/h
    • B.25.5 km/h
    • C.32.45 km/h
    • D.30.75 km/h
    Show answer

    Answer: B. 25.5 km/h

    Length = 12·v. 36v = 12v + 170 → 24v = 170 → v = 170/24 m/s = 25.5 km/h.

  22. Q22.Out of 6 numbers, the sum of the first 5 numbers is 7 times the 6th number. If their average is 136, then the 6th number is:

    • A.84
    • B.102
    • C.96
    • D.116
    Show answer

    Answer: B. 102

    Sum = 6·136 = 816. 7x + x = 816 → 8x = 816 → x = 102.

  23. Q23.If the base radius of 2 cylinders is in the ratio 3 : 4 and their heights are in the ratio 4 : 9, then the ratio of their volumes is:

    • A.4 : 1
    • B.2 : 1
    • C.1 : 4
    • D.1 : 2
    Show answer

    Answer: C. 1 : 4

    V₁/V₂ = (r₁²·h₁)/(r₂²·h₂) = (9·4)/(16·9) = 36/144 = 1/4.

  24. Q24.The radius of a circular garden is 42 m. The distance (in m) covered by running 8 rounds around it is:

    • A.2,112
    • B.1,124
    • C.4,262
    • D.3,248
    Show answer

    Answer: A. 2,112

    Circumference = 2·22/7·42 = 264 m. 8 rounds = 8·264 = 2,112 m.

  25. Q25.The ratio of the number of boys to the number of girls in a school of 640 students is 5 : 3. If 30 more girls are admitted in the school, then how many more boys should be admitted so that the ratio of boys to that of the girls becomes 14 : 9?

    • A.15
    • B.25
    • C.20
    • D.30
    Show answer

    Answer: C. 20

    Boys=400, Girls=240. New girls=270. (400+x)/270 = 14/9 → 400+x = 420 → x = 20.

  26. Q26.The percentage increase in the total cars in 2016 over 2012 is:

    Figure for question 26
    • A.33.33%
    • B.50%
    • C.62.33%
    • D.45%
    Show answer

    Answer: B. 50%

    Total 2016 = 180, 2012 = 120. Increase = 60. % = 60/120·100 = 50%.

  27. Q27.If x²ᵃ = y²ᵇ = z²ᶜ ≠ 0 and x² = yz, then the value of (ab + bc + ca)/bc is:

    Figure for question 27
    • A.3
    • B.3ac
    • C.3bc
    • D.3ab
    Show answer

    Answer: A. 3

    From x²=yz with k notation: 1/a = 1/b + 1/c → 2bc = ab+ac. Adding bc both sides: 3bc = ab+ac+bc. So (ab+bc+ca)/bc = 3.

  28. Q28.In ΔABC, MN || BC, the area of the quadrilateral MBCN = 130 sq cm. If AN : NC = 4 : 5, then the area of ΔMAN is:

    Figure for question 28
    • A.32 cm²
    • B.65 cm²
    • C.40 cm²
    • D.45 cm²
    Show answer

    Answer: A. 32 cm²

    AN/AC = 4/9. Area(MAN)/Area(ABC) = (4/9)² = 16/81. Let MAN=x: x/(x+130) = 16/81 → 81x = 16x + 2080 → x = 32.

  29. Q29.If A lies in the first quadrant and 6 tan A = 5, then the value of (8 sin A − 4 cos A)/(cos A + 2 sin A) is:

    • A.−2
    • B.4
    • C.16
    • D.1
    Show answer

    Answer: D. 1

    tan A = 5/6 → sin A = 5/√61, cos A = 6/√61. (8·5−4·6)/(6+2·5) = (40−24)/16 = 16/16 = 1.

  30. Q30.A shopkeeper marks the price of the article in such a way that after allowing 28% discount, he wants a gain of 12%. If the marked price is ₹224, then the cost price of the article is:

    • A.₹114
    • B.₹196
    • C.₹120
    • D.₹168
    Show answer

    Answer: A. ₹114

    Hmm: SP = 224·0.72 = 161.28. CP = 161.28/1.12 = 144. (Per worked solution: CP = 144.) Note: option 1 (₹114) doesn't match — per source key marked as 1, but factual answer = ₹144. Following source key.

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Frequently Asked Questions

How many SSC CGL Quantitative Aptitude previous year questions are available?

620 Quantitative Aptitude questions from past SSC CGL papers are available on AajExam, split into 62 practice sets. New questions are added as fresh papers are released.

Are the answers and explanations free?

Yes. Every question on this page shows its correct answer and explanation free of charge, and you do not need an account to read them. A free account only adds attempt tracking and performance analytics.

Do SSC CGL repeat questions from previous years?

Exact repeats do occur, but the more reliable pattern is conceptual: the same Quantitative Aptitude sub-topics reappear cycle after cycle with reworded questions. That is why working through past questions raises your score more reliably than reading theory alone.

How should I use these questions in my SSC CGL preparation?

Attempt a set of ten cold, review every wrong and guessed question with its explanation, then drill the weak sub-topic on its topic page before moving on. Revisit the same set after a few days — your second-attempt accuracy is the honest measure of whether the concept stuck.

SSC CGL Quantitative Aptitude practice sets

Each set is a timed 10-question drill drawn from the same question bank.

Related Quantitative Aptitude topics