Q1. What is 25% of 400?
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Answer: C. 100
25% of 400 = 25/100 × 400 = 100.
SSC CGL Quantitative Aptitude Beginner Practice Set 2
10 beginner questions. Tap an option to check it, or open “Show answer” for the explanation.
Topics: Percentage, Profit and Loss, Simple Interest, Average, Ratio and Proportion, Time and Work, Speed, Time and Distance, LCM and HCF, Algebra, Number System
Score: 0 / 0
Q2. An article is bought for ₹400 and sold at a profit of 10%. What is the selling price (in ₹)?
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Answer: C. 440
SP = 400 × 110/100 = ₹440.
Q3. Find the simple interest on ₹1000 at 5% per annum for 5 years (in ₹).
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Answer: A. 250
SI = 1000 × 5 × 5 / 100 = ₹250.
Q4. Find the average of 73, 75, 49, 35.
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Answer: D. 58
Sum = 232, count = 4, average = 232/4 = 58.
Q5. ₹125 is divided between A and B in the ratio 2:3. What is A's share (in ₹)?
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Answer: A. 50
One part = 125/5 = 25. A's share = 2 × 25 = ₹50.
Q6. A can finish a work in 12 days and B in 24 days. Working together, in how many days will they finish it?
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Answer: B. 8
One day's work = 1/12 + 1/24 = 1/8. Time = 8 days.
Q7. A car travels at 45 km/h for 3 hours. How far does it travel (in km)?
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Answer: C. 135
Distance = 45 × 3 = 135 km.
Q8. What is the LCM of 8 and 12?
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Answer: D. 24
HCF(8, 12) = 4, so LCM = 8 × 12 / 4 = 24.
Q9. If 5x + 7 = 17, what is the value of x?
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Answer: A. 2
5x = 17 − 7 = 10, so x = 10/5 = 2.
Q10. What is the square of 13?
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Answer: C. 169
13² = 169.