TNPSC - General Studies - Mathematics / Aptitude for Group 1, Group 2, Group 4 , UPSC,SSC and VAO Exams

1. A table is sold for Rs.414 at a profit of 15%. How much did it cost?

a. Rs.400

b. Rs.530

c. Rs.326

d. Rs.360

Answer: Rs.360

2. Rs.800 amounts to Rs.920 in 3 years at simple interest. If the interest rate is increased by 3%, it would amount to

a. Rs.1099

b. Rs.992

c. Rs.1886

d. Rs.3871

Answer: Rs.992

3. Find the greatest number which will divide 2112 and 2792 leaving the remainder 4 in each case

a. 63

b. 64

c. 67

d. 68

Answer: 68

4. A, B, C start at the same time in the same direction to run around a rectangular garden. A completes a round in 252 seconds, B in  308 seconds and C in 198 seconds starting at the same point. After what time will they meet again at the starting point?

a. 20 Minutes 18 Seconds

b. 40 Minutes 20 Seconds

c. 46 Minutes 12 Seconds

d. 20 Minutes 19 Seconds

Answer: 46 Minutes 12 Seconds

5. Five articles A,B,C,D and E are priced differently and the value of C is Rs. 100. If "A" is the cheaper then C but costlier than B and E is costlier the C but cheaper than D then which of the articles is the costliest?

a. B

b. C

c. D

d. A

Answer: D

6. The lengh, breadth and height of the room aer respectively 12 metres, 9 metres, 9 metres and 6 metres. How many cubic boxes are needed to fill the room if the side of each box is 1.5 metres?

a. 1072

b. 648

c. 324

d. 192

Answer: 192

7. Divide Rs.680 among A,B,C so that A gets 3 times more to B and B gets 4 times to C.

a. Rs.160,Rs.40, Rs.480

b. Rs.480,Rs.160, Rs.40

c. Rs.480,Rs.60, Rs.40

d. Rs.160,Rs.480, Rs.40

Answer: Rs.480,Rs.160, Rs.40

8. The difference between the present age of P and Q is 8 years and the ratio of there present ages is 2:3 respectively. What is P's present age?

a. 16 years

b. 24 years

c. 12 years

d. 30 years

Answer: 16 years

9. If the cost of 12 Articles is equal to the selling price of 10 Articles, the profit percent in the transaction is 

a. 18%

b. 16%

c. 20%

d. 25%

Answer: 20%

10. A,B and C together can finish a piece of work in 4 days. A alone can do in 12 days and B alone in 18 days. How many days will be taken by C to do it alone?

a. 10 days

b. 12 days

c. 9 days

d. 18 days

Answer: 9 days