Class-VI
Interest
I.C.S.E.Board
1. Find the interest(simple interest) on:
a) Rs.200 for 3 years at 6% per annum.b) Rs.800 for 9 months at 1.5 percent per month.
c) Rs.2,000 for 10 months at 12% per year.
d) Rs.460 for 8 months at 5 paise per rupee per month.
e) Rs.2,450 for 3 years at 12 paise per rupee per year.
2. Raj borrowed Rs.4,000 from his friend and agreed to pay him interest at the rate of 15% per year.Find:
a) the interest to be paid by Raj in 2 years.
b) the amount that Raj must pay at the end of 2 nd year, in order to clear his debt.
3. Sunita deposited Rs.3,600 in a bank for
3 years.If the bank pays interest on this deposit at the rate of 10% per annum;
find how much money will Sunita get from the bank at the end of 3 years.
4. Kinkin lends Rs.15,00 for 3 years at 8%
per annum and Rajni lends Rs.25,000 for the same time at 5% per annum.Find:a) the interest earned by Kinkin in 3 years.
b) the interest earned by Rajni in 3 years.
c) the amount of each in 3 years.
d) the difference of their interests.
e) the difference in their amounts.
5. A man borrows Rs.750 at 10% per annum
and Rs.2,000 at 6% per annum.Find the total interest paid by him in 4 years.
Also find a) the total sum borrowed andb) the total amount the man has to pay, at the end of 4 years to clear his debt.
6. Find the principal that will yield an
interest of:
a) Rs.60 in 5 years at the rate of 4% per
annum.b) Rs.680 in 4 years at 8% per annum.
7. Find the principal that will amount to:
a) Rs.729.60 at 7% per annum in 4 years.
b) Rs.2,240 at 4% per annum will be simple interest in 3 years.
8. At what rate percent per annum will be simple interest be:
a) Rs.85.50 on Rs.570 in 5 years?
b) Rs.720 on Rs.960 in 15 years?
9. At whar rate percent per annum of
simple interest will be:
a) Rs.1,000 amount to Rs.1,400 in 4 years?b) a sum of money doubles in 5 years?
10. Find the time in which the simple interest on:
a) Rs.5,000 at 5% p.a will be Rs.750
b) Rs.154 at 6% p.a will be Rs.92.40.
11. If interest on Rs.600 for 5 years is
Rs.60, find the rate of interest.
12. In how much time will the interest on
Rs.800 amount to Rs.100 at 5%p.a.?13. In how many years will be sum of money trople itself, the rate of interest being 5% per annum?
14. At what rate percent per annum will a sum
of money be five times in 10 years?
15. In what time will a sum of money double
itself, the rate of interest per annum being 20%?
Compiled by:-
Sanjeev Kumar
TanejaD.R.P. Maths
Ludhiana
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