Question

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Find the
3.
Find the amount and C.I. if the interest is compounded quarterly
(a) P = 8000, R = 16%, T = 9 months (b) P=20000, R = 16%, T =
(c) P = 28000, R = 12% per annum, T = 9 months
(d) Principal = 10,000 Time = 6 months Rate = 10% per annum
A school borrows an amount of 100.000 from a bank to construct a mathemati
loan is taken on compound interest, compounded annually, at the rate of 8% pe
amount paid back at the end of 3 years.
5. Rashmi lends an amount of 10,000 to her friend Wasima for 2 years, a
compounded annually. Find the amount she receives after 2 years.
1
6. Anju lent* 5000 to Guneet at the rate of 8% per annum compound interest. Find the amoun
3
payable by Guneet to Anju after 2 years.
Abhishek borrowed 15625 from a finance company to buy T.V. If the rate of interest be 16%
compounded annually, what payment he will have to make after 2 years?
4
8. The simple interest on a sum of money for 3 years at 62% per annum is? 6750. What will be the
2
compound interest on the same sum at the same rate for the same period, compounded annually
Golu lent Polu 7 32,500 to purchase a bike at 12.5% per annum. If the interest is compounded
semi-annually, find the interest paid by Polu after 1 years.
2
10 Calculate the amount if * 18000 is invested at 15% per annum compounded half yearly for 1 year.
11.
1
Rakhi lent 5000 to Jyoti at the rate of 8-% per annum compound interest. Find the amoun
3
payable by Jyoti to Rakhi after 2 years.
12. Find the compound interest on 10,000 for 12 months at 10% per annum, if the interest is compounded
(a) annually
(b) half-yearly
(c) quarterly.
Inverse Cases of Compound Interest
Find Principal, Time Rate
the previous sections of this chapter, you have learnt to find compound interest and the amount A wa
R and T are given. Now in this last section of the chapter, we shall discuss how to find each of the following
mely. P, R and T, when sufficient data is given. This is explained below with the help of the examples.
Case 1. Finding P when A, C.I., R and n are given.
SOLVED EXAMPLES
mple 1
The difference between compound interest and simple interest on a certain sum of mones
for two years at 5% per annum is 2.50, find the sum.
Mathematics-8
90
rate of s​

Answer 1

Answer:

halooooooooooooooooooooo

Answer 2

Answer:

the question is so big so I don't understanding the question