Q1. What is 10% of 500?
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Answer: B. 50
10% of 500 = 10/100 × 500 = 50.
SSC CGL Quantitative Aptitude Beginner Practice Set 1
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 ₹500 and sold at a profit of 25%. What is the selling price (in ₹)?
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Answer: A. 625
SP = 500 × 125/100 = ₹625.
Q3. Find the simple interest on ₹5000 at 5% per annum for 4 years (in ₹).
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Answer: C. 1000
SI = 5000 × 5 × 4 / 100 = ₹1000.
Q4. Find the average of 30, 21, 66, 79.
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Answer: C. 49
Sum = 196, count = 4, average = 196/4 = 49.
Q5. ₹195 is divided between A and B in the ratio 5:8. What is A's share (in ₹)?
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Answer: A. 75
One part = 195/13 = 15. A's share = 5 × 15 = ₹75.
Q6. A can finish a work in 12 days and B in 6 days. Working together, in how many days will they finish it?
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Answer: C. 4
One day's work = 1/12 + 1/6 = 1/4. Time = 4 days.
Q7. A car travels at 60 km/h for 4 hours. How far does it travel (in km)?
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Answer: C. 240
Distance = 60 × 4 = 240 km.
Q8. What is the LCM of 36 and 12?
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Answer: C. 36
HCF(36, 12) = 12, so LCM = 36 × 12 / 12 = 36.
Q9. If 2x + 14 = 30, what is the value of x?
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Answer: D. 8
2x = 30 − 14 = 16, so x = 16/2 = 8.
Q10. What is the square of 28?
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Answer: D. 784
28² = 784.