CSAT Practice Set - 1

Comment your Score Out of 10 in the Comment Box.

1. The length of the minute hand of a clock is 8 cm. Find the distance traveled by its outer end in 15 minutes.

(a) 16 Pie

(b) 32 Pie

(c) 4 Pie

(d) 18 Pie

2. Two numbers x and y are such that x = y². If y is increased by 10% then x is increased by

(a) 100%

(b) 15%

(c) 40%

(d) 21%

3. Fresh grapes contain 90% water by weight while dried grapes contain 20% water by weight. What is the weight of dry grapes available from 20 kg of fresh grapes?

(a) 2 kg

(b) 2.4 kg

(c) 2.5 kg

(d) None of these

4. Sum of all the angles (in degrees) of a regular decagon will be equal to:

(a) 1445

(b) 1465

(c) 1440

(d) 1460

5. X alone can do a piece of work in 15 days and Y alone can do it in 10 days. X and Y undertook to do it for Rs. 720. With the help of Z they finished it in 5 days. How much is paid to Z?

(a) Rs. 360

(b) Rs. 120

(c) Rs. 240

(d) Rs. 300

6. What is the probability that a two digit number selected at random will be a multiple of '3' and not a multiple of '5'?

(a) 2/15

(b) 4/15

(c) 1/15

(d) 4/90

7. In a kilometer race, A can give B a start of 100 m or 15 seconds. How long does A take to complete the race?

(a) 150 seconds

(b) 165 seconds

(c) 135 seconds

(d) 66.67 seconds

8. If apples are bought at the rate of 30 for a rupee. How many apples must be sold for a rupee so as to gain 20%?

(a) 28

(b) 25

(c) 20

(d) 22

9. The average marks of a student in ten papers are 80. If the highest and the lowest scores are not considered, the average is 81. If his highest score is 92, find the lowest.

(a) 55

(b) 60

(c) 62

(d) Cannot be determined.

10. A man has enough money to buy either 30 toffees or 40 peppermints. He decides to spend only 90% of the amount overall, and buy 20 peppermints. How many toffees can he buy?

(a) 10

(b) 12

(c) 20

(d) 24

Quantitative Aptitude by R.S. Aggarwal

Answers:
           1.  C                  2.  D               3.  C                4.  C                5.  B

           6.  B                  7.  C               8.  B                9.  B                10.  B