Mehak lent ₹ 8 , 000 to Ria at the rate of 12 1 2 % per annum compound interest. Kind the amount payable by Ria to Mehak after 2 years.

∵ Principal ( P ) = ₹ 8000 Rate of interest ( R ) = 12 1 2 % = 25 2 % per annum time ( n ) = 2 years So, amount = ₹ 8000 1 + 25 / 2 100 2 = ₹ 8000 1 + 25 200 2 = ₹ 8000 1 + 1 8 2 = ₹ 8000 9 8 × 9 8 = ₹ 10125 Hence, amount payable by Ria to Mahak is ₹ 10125 after 2 years.

E M B I B E

START UP MATHEMATICS>Chapter 13 - Compound Interest>Exercise 13.1>Q 6

MEDIUM

8th CBSE

IMPORTANT

Earn 100

Kavya deposited $₹ 8, 500$ in a bank which pays her $12 %$ interest per annum compounded quarterly. What is the amount which she receives after $9$ months?

Important Questions on Compound Interest

EASY

8th CBSE

IMPORTANT

START UP MATHEMATICS>Chapter 13 - Compound Interest>Exercise 13.2>Q 1

Find the compound interest in each of the following using the formulae:

Principal $= ₹ 4, 000$ , Rate $= 6 %$ , Time $= 3$ years

EASY

8th CBSE

IMPORTANT

START UP MATHEMATICS>Chapter 13 - Compound Interest>Exercise 13.2>Q 1

Find the compound interest in each of the following using the formulae:

Principal

₹ 3, 000

, Rate

10 %

per annum compounded half-yearly. Time

= 2

years

MEDIUM

8th CBSE

IMPORTANT

START UP MATHEMATICS>Chapter 13 - Compound Interest>Exercise 13.2>Q 1

Find the compound interest in each of the following using the formulae:

Principal

₹ 20, 000

, Rate

= 20 %

per annum compounded quarterly. Time

= 1

year

EASY

8th CBSE

IMPORTANT

START UP MATHEMATICS>Chapter 13 - Compound Interest>Exercise 13.2>Q 2

Mehak lent $₹ 8, 000$ to Ria at the rate of $12 \frac{1}{2} %$ per annum compound interest. Kind the amount payable by Ria to Mehak after $2$ years.

MEDIUM

8th CBSE

IMPORTANT

START UP MATHEMATICS>Chapter 13 - Compound Interest>Exercise 13.2>Q 3

Find the difference between the compound interest and simple interest on a sum of

₹ 16, 000

for

3

years if the rate of interest is

2 %

per annum.

MEDIUM

8th CBSE

IMPORTANT

START UP MATHEMATICS>Chapter 13 - Compound Interest>Exercise 13.2>Q 4

Sanjay borrowed $₹ 12, 800$ at the rate of $6 \frac{1}{4} %$ per annum at simple interest. On the same day. he lent it to Rajesh at the same rate but compounded annually. What does Sanjay gain at the end of $2$ years?