Joy Of Mathematics 8>Chapter 10 - Simple and Compound Interest>Exercise>Q 7

MEDIUM

8th CBSE

IMPORTANT

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How many years will it take for $₹ 54000$ to amount to $₹ 64125$ at $7 \frac{1}{2} %$ p. a. simple interest ?

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Important Questions on Simple and Compound Interest

MEDIUM

8th CBSE

IMPORTANT

Joy Of Mathematics 8>Chapter 10 - Simple and Compound Interest>Exercise>Q 8

A man received

₹ 340

as interest for

4

years at

8 \frac{1}{2} %

p. a. Find the sum deposited in the bank.

MEDIUM

8th CBSE

IMPORTANT

Joy Of Mathematics 8>Chapter 10 - Simple and Compound Interest>Exercise>Q 9

A man borrows

₹ 1500

at

3 %

p. a. and pays back

₹ 500

after

3

years. How much does she still owe including interest?

HARD

8th CBSE

IMPORTANT

Joy Of Mathematics 8>Chapter 10 - Simple and Compound Interest>Exercise>Q 10

A man lends certain amount of money at

4 %

p. a. He also invests

₹ 1, 56, 500

at

4 \frac{1}{2} %

p. a. At the end of the year, the total interest is

₹ 1, 15, 750

. If the money lent at

4 %

p.a is

₹ k

, then find the value of

k

. Enter the answer without commas.

MEDIUM

8th CBSE

IMPORTANT

Joy Of Mathematics 8>Chapter 10 - Simple and Compound Interest>Exercise>Q 11

Neha and priya borrowed

₹ 5400

and

₹ 6000

respectively, at the same rate of interest for

1 \frac{3}{5}

years. If Priya paid

₹ 240

more than Neha, then find the rate of interest.

MEDIUM

8th CBSE

IMPORTANT

Joy Of Mathematics 8>Chapter 10 - Simple and Compound Interest>Exercise>Q 12

The simple interest on a sum of money is

\frac{1}{16}

of the principal and the number of years is equal to the rate of interest p.a. Find the rate of interest and express it in mixed fraction.

MEDIUM

8th CBSE

IMPORTANT

Joy Of Mathematics 8>Chapter 10 - Simple and Compound Interest>Exercise>Q 13

A man borrows

₹ 2000

from his friend at

5 %

p.a. simple interest for

2

years. What amount should he return after

2

years.

MEDIUM

8th CBSE

IMPORTANT

Joy Of Mathematics 8>Chapter 10 - Simple and Compound Interest>Exercise>Q 14

The simple interest on a certain sum of money for

3 \frac{1}{4}

years at

4 \frac{1}{2} %

p. a. is more than that on the same sum for

2

years at

5 %

by

₹ 1221

. If the sum is

₹ k

, find the value of

k

.

MEDIUM

8th CBSE

IMPORTANT

Joy Of Mathematics 8>Chapter 10 - Simple and Compound Interest>Exercise>Q 15

At what rate percent of interest will a sum of money become six times itself in

15

years? Express the rate of interest in mixed fraction.