MATH
TEST-31: COMPOUND INTEREST
1. A person took a loan of Rs 6000 for 3 yrs at 5% per
annum compound interest. He repaid Rs 2100 in each of first 2 years. The amount
he should pay at the end of 3rd year to clear his debts.
a. 2425.0
b. 2745.0
c. 2552.5
d. 2635.5
2. If the sum of money placed at CI, compounded
annually, triples itself in 5 yrs, then it will be 27 times of itself in how
many years:
a. 10
b. 8
c. 15
d. none
3. The difference between simple and compound interest
compounded every 6 months at the rate of 10% p.a at the end of 1 yr is Rs 50.
Find the sum.
a. 30000
b. 20000
c. 25000
d. 50000
4. In what time will Rs. 390625 amount to Rs 456976 at
4% compound interest:
a. 2 yr
b. 3 yr
c. 4 yr
d. 5 yr
5. Divide Rs 2708 between A and B so that A’s share at
the end of 6 yrs may be equal to B’s share at the end of 8 yrs compound at 8%:
a. 1458 , 1250
b. 1448,1260
c. 1438, 1270
d. 1468 , 1240
6. A bank offers 10% compound interest compounded half
yearly. By depositing Rs 2000 each on 1st Jan and 1st
July of a year interest gained is:
a. 205
b.305
c. 300
d. 200
7. There is 30% increase in an amount in 6 yrs at
Simple interest .What will be the compound interest of Rs. 6000 after 3 yrs at
the same rate:
a. 1245.75
b. 1250.25
c. 1200.75
d. 1260.50
8. The difference between effective annual interest
corresponding to 8% per annum payable yearly and half yearly at the end of 2
yrs:
a. 40
b. .43
c. .45
d. . 44
9. The difference between compound interest and simple
interest on an amount of Rs 25000 for 2 yrs is 62.5 .What is the rate:
a. 8
b.10
c. 5
d. none
10. The compound interest on a certain sum for 2 yrs
at 10% per annum is Rs 12. The simple interest on the same sum for double the
time and half the rate is:
a. 200
b. 250
c. 120
d. 240
ANSWERS:
1.A, 2.C, 3.B, 4.C, 5.A, 6.B, 7.A, 8.D, 9.C, 10.D,
