Q1. What is 12% of 500?
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Answer: D. 60
12% of 500 = 12/100 × 500 = 60.
SSC CGL Quantitative Aptitude Advanced Practice Set 2
10 advanced questions, suggested time 12 minutes. Tap an option to check it, or open “Show answer” for the explanation.
Topics: Percentage, Compound Interest, Average, Ratio and Proportion, Time and Work, Speed, Time and Distance, LCM and HCF, Algebra, Number System
Score: 0 / 0
Q2. What is the compound interest on ₹2000 at 10% per annum for 2 years, compounded annually (in ₹)?
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Answer: C. 420
A = 2000 × (110/100)² = 2420. CI = 2420 − 2000 = ₹420.
Q3. What is the compound interest on ₹4000 at 10% per annum for 2 years, compounded annually (in ₹)?
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Answer: A. 840
A = 4000 × (110/100)² = 4840. CI = 4840 − 4000 = ₹840.
Q4. Find the average of 27, 31, 76, 72, 48, 39, 64.
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Answer: D. 51
Sum = 357, count = 7, average = 357/7 = 51.
Q5. ₹480 is divided between A and B in the ratio 7:9. What is A's share (in ₹)?
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Answer: D. 210
One part = 480/16 = 30. A's share = 7 × 30 = ₹210.
Q6. A can finish a work in 6 days and B in 12 days. Working together, in how many days will they finish it?
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Answer: A. 4
One day's work = 1/6 + 1/12 = 1/4. Time = 4 days.
Q7. A train 200 m long runs at 72 km/h. How many seconds does it take to cross a pole?
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Answer: A. 10
72 km/h = 20 m/s. Time = 200/20 = 10 s.
Q8. What is the HCF of 9 and 8?
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Answer: D. 1
Factors common to 9 and 8: the largest is 1.
Q9. If 6x + 16 = 100, what is the value of x?
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Answer: D. 14
6x = 100 − 16 = 84, so x = 84/6 = 14.
Q10. What is the square of 67?
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Answer: A. 4489
67² = 4489.