Compound Interest
Trending Questions
Q.
If the difference between the simple interest and compound interest on some principal amount at 20% per annum for 3 years in Rs. 48, then the principal amount must be |
- Rs. 550
- Rs. 500
- Rs. 375
- Rs. 400
Q. A sum of money doubles itself in 5 years. In how many years will it become four fold (if interest is compounded)?
- 15
- 10
- 20
- 12
Q. Rs. 2100 is lent at compound interest of 5% per annum for 2 years. Find the amount after two years.
- Rs. 2300
- Rs. 2315.25
- Rs. 2310
- None of these
Q. A sum of money placed at compound interest doubles itself in 3 years. In how many years will it amount to 8 times itself?
- 9 years
- 8 years
- 27 years
- 7 years
Q. If the compound interest on a certain sum at 1623% for 3 years is Rs. 1270, the simple interest on the same at the same rate and for the same period is:
- Rs. 1200
- Rs. 1165
- Rs. 1080
- Rs. 1220
Q. The difference in compound interest, and simple interest on a certain amount at 10% per annum at the end of the third year is RS. 620. What is the principal amount?
- 40000
- 12000
- 10000
- 20000
Q. In how many years will a sum of Rs. 800 at 10% per annum compounded semiannually become Rs. 926.10?
- 212
- 112
- 213
- 113
Q. Find the difference between the simple and the compound interest at 5% per annum for 2 years on a principal of Rs.2000.
- 5
- 105
- 4.5
- None of these
Q. Find the compound interest on Rs.1000 at the rate of 20% per annum for 18 months when interest compounded half-yearly.
- Rs.331
- Rs. 1331
- Rs. 320
- None of these
Q. A sum of money at compound interest amounts thrice itself in 3 years. In how many years will it be times itself?
- 12
- 9
- 6
- 8
Q.
If the compound interest on a certain sum of money for is and the simple interest on the same sum for the same period is , what will be the rate of interest?
Q. What annual payment will discharge a debt of Rs. 7620 due in 3 years at
1623% per annum compound interest?
1623% per annum compound interest?
- Rs. 2540
- Rs. 3430
- Rs. 3260
- Rs. 3380
Q. A sum of Rs. 1100 was taken as a loan. This is to be repaid in two equal installments. If the rate of interest be 20% compounded annually, then the value of the each installment is
- Rs. 842
- Rs. 792
- Rs. 720
- Rs. 700
Q. Leila aspires to buy a car worth Rs. 10, 00, 000 after 5 years. What is the minimum amount in Rupees that she should deposit now in a bank which offers 10% annual rate of interest. If the interest was compounded annually ?
5, 00, 000
6, 21, 000
6, 66, 667
7, 50, 000
Q. Find the principal if the interest compounded at the rate of 10% per annum for two years is Rs. 420.
- Rs. 2000
- Rs. 2200
- Rs. 1000
- Rs. 1100
Q. If the compound interest on a certain sum at 1623% for 3 years is Rs. 1270, the simple interest on the same at the same rate and for the same period is:
- Rs. 1200
- Rs. 1165
- Rs. 1080
- Rs. 1220
Q. The least number of complete years in which as sum of money put out at 20% compound interest will be more than doubled is?
- 3
- 4
- 5
- 6
Q. The difference in compound interest, and simple interest on a certain amount at 10% per annum at the end of the third year is RS. 620. What is the principal amount?
- 40000
- 12000
- 10000
- 20000