Q1. What is 15% of 600?
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Answer: C. 90
15% of 600 = 15/100 × 600 = 90.
SSC CGL Quantitative Aptitude Intermediate Practice Set 1
10 intermediate 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, Speed, Time and Distance, LCM and HCF, Algebra, Number System
Score: 0 / 0
Q2. A shopkeeper buys a watch for ₹500 and sells it for ₹550. What is his profit percentage?
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Answer: B. 10%
Profit = 550 − 500 = 50. Profit % = 50/500 × 100 = 10%.
Q3. Find the simple interest on ₹1000 at 4% per annum for 5 years (in ₹).
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Answer: B. 200
SI = 1000 × 4 × 5 / 100 = ₹200.
Q4. Find the average of 40, 44, 70, 35, 80, 85.
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Answer: B. 59
Sum = 354, count = 6, average = 354/6 = 59.
Q5. ₹120 is divided between A and B in the ratio 3:5. What is A's share (in ₹)?
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Answer: A. 45
One part = 120/8 = 15. A's share = 3 × 15 = ₹45.
Q6. A train 240 m long runs at 54 km/h. How many seconds does it take to cross a pole?
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Answer: D. 16
54 km/h = 15 m/s. Time = 240/15 = 16 s.
Q7. A train 240 m long runs at 36 km/h. How many seconds does it take to cross a pole?
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Answer: B. 24
36 km/h = 10 m/s. Time = 240/10 = 24 s.
Q8. What is the LCM of 15 and 4?
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Answer: A. 60
HCF(15, 4) = 1, so LCM = 15 × 4 / 1 = 60.
Q9. If 6x + 18 = 90, what is the value of x?
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Answer: C. 12
6x = 90 − 18 = 72, so x = 72/6 = 12.
Q10. What is the square of 45?
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Answer: A. 2025
45² = 2025.