# Simple interest-Compound interest TNPSC Group 1 Questions

## Simple interest-Compound interest MCQ Questions

7.

Find the difference between simple interest and compound interest for a sum of Rs. 8,000 lent at 10% p.a. in 2 years.

Group 2 - 2018

A.

Rs.70

B.

Rs.80

C.

Rs.90

D.

Rs.100

B. Rs.80

8.

How many years will take certain amount to double at 8% interest per annum at simple interest?

Group 1 - 2017

A.

13 1/2 years

B.

12 1/2 years

C.

10 1/2 years

D.

9 years

B. 12 1/2 years

9.

Find the compound interest on Rs. 31,250 at 8% p.a for 3 years compounded annually?

Group 1 - 2017

A.

Rs. 8006

B.

Rs. 8106

C.

Rs. 8096

D.

Rs. 8116

D. Rs. 8116

10.

A certain sum of money amounts to Rs. 20, 160 in 5 years at 8% interest. Find the principal

Group 1 - 2017

A.

Rs. 14,000

B.

Rs. 14, 100

C.

Rs. 14,440

D.

Rs. 14,400

D. Rs. 14,400

11.

The difference between simple interest and compound interest for a sum of Rs. 12,000 lent at 10% per annum in 2 years, is

Group 4 - 2016

A.

Rs. 80

B.

Rs. 90

C.

Rs. 120

D.

Rs. 100

C. Rs. 120

12.

Find the rate of interest at which, a sum of money becomes 9/4 timed in 2 years.

Group 4 - 2016

A.

69 1/3%

B.

67 1/2%

C.

62 1/2%

D.

61 1/2%  