Practice MCQ Questions and Answer on Compound Interest
11.
A sum of money at compound interest amounts to thrice of itself in 3 years. In how many years it will be 9 times of itself?
- (A) 9 years
- (B) 27 years
- (C) 6 years
- (D) 3 years
12.
A sum of money invested at compound interest amounts to Rs. 650 at the end of first year and Rs. 676 at the end of second year. The sum of money is = ?
- (A) Rs. 600
- (B) Rs. 540
- (C) Rs. 625
- (D) Rs. 560
13.
Mr. Duggal invested Rs. 20000 with rate of interest @ 20 p.c.p.a. The interest was compounded half - yearly for first one year ans in the next year it was compounded yearly. What will be the total interest earned at the end of 2 year ?
- (A) Rs. 8040
- (B) Rs. 8800
- (C) Rs. 9040
- (D) Rs. 9800
14.
The compound interest on a certain sum of money for 2 years at 10% per annum is Rs. 525.The simple interest on the same sum of money for double the time at half the rate percent per annum is ?
- (A) Rs. 1000
- (B) Rs. 500
- (C) Rs. 200
- (D) Rs. 800
15.
The least number of complete years in which a sum of money put out at 20% compound interest will be more than doubled is:
- (A) 3
- (B) 4
- (C) 5
- (D) 6
16.
Find the rate percent per annum if Rs. 2000 amounts to Rs. 2315.25 in one and half years interest being compounded half yearly.
- (A) 10%
- (B) 11.5%
- (C) 5%
- (D) 20%
17.
The compound interest on a certain sum in
- (A) Rs. 5,000
- (B) Rs. 6,000
- (C) Rs. 6,500
- (D) Rs. 7,200
18.
If the difference between the compound interest and simple interest on a certain sum of money for three years at 10% p.a. is Rs. 558. Then the sum is:
- (A) Rs. 18,500
- (B) Rs. 18,000
- (C) Rs. 16,000
- (D) Rs. 15,000
19.
A sum of Rs. 12000 deposited at compound interest become double after 5 years. After 20 years it will become ?
- (A) Rs. 96000
- (B) Rs. 120000
- (C) Rs. 124000
- (D) Rs. 192000
20.
There is 60% increase in an amount in 6 years at simple interest. What will be the compound interest of Rs. 12,000 after 3 years at the same rate?
- (A) Rs. 2160
- (B) Rs. 3120
- (C) Rs. 3972
- (D) Rs. 6240