CSAT TEST 3

1. A man sells an article at a gain of 20%. If he had bought it for 10% less and sold it for ₹10 more, his gain would have been 40%. Find the cost price of the article. A. ₹100 B. ₹120 C. ₹150 D. ₹200

2. The average age of 40 students is 15 years. If the teacher’s age is included, the average increases by 0.5 years. What is the teacher’s age? A. 35 years B. 36 years C. 37 years D. 38 years

3. A sum of money becomes ₹2,420 in 2 years and ₹2,662 in 3 years at compound interest. Find the rate of interest per annum. A. 5% B. 10% C. 8% D. 12%

4. If P : Q = 3 : 4 and Q : R = 5 : 6, then P : Q : R is: A. 15 : 20 : 24 B. 9 : 15 : 24 C. 3 : 5 : 6 D. 5 : 6 : 8

5. In a code language, MANGO is written as ODQIQ. How will APPLE be written in that code? A. CRRNG B. CQQNG C. CRRMG D. CQPNG

6. A man can row 9 km/hr in still water. If the speed of the stream is 3 km/hr, how long will he take to row 30 km downstream and return? A. 6 hours B. 6.5 hours C. 7 hours D. 7.5 hours

7. Which number should replace the question mark?

12, 15, 24, 39, 60, ?

A. 84 B. 90 C. 96 D. 102

8. Read the following passage and answer:

"In a survey, it was observed that cities with higher tree cover reported lower average summer temperatures by 3°C compared to cities with less than 10% tree cover. The study also found that the same cities reported higher levels of air moisture and lower electricity consumption for cooling."

Which of the following is the most reasonable inference?

A. Increasing tree cover may help in reducing electricity bills. B. Trees directly reduce air pollution levels. C. Electricity consumption is unrelated to temperature. D. Moisture in air is harmful for cooling efficiency.

9. A and B can do a piece of work in 10 days. A alone can do it in 15 days. In how many days can B do it alone? A. 20 days B. 25 days C. 30 days D. 40 days

10. The difference between the squares of two consecutive natural numbers is 55. What is the smaller number? A. 27 B. 28 C. 29 D. 30

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