Quick Method for solving Compound Interest Questions - Type 10

Ashish

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#1
1) A sum of money invested at compound interest amounts to Rs 2400 in 3 years and Rs 2520 in 4 years. The interest rate per annum is:
a) 5%
b) 6%
c) 10%
d) 12%



Answer: 5%

2) A sum of monet amounts to Rs 4840 in 2 years and to Rs 5324 in 3 years at compounded annually. The rate of interest per annum is:
a) 10%
b) 9%
c) 11%
d) 8%



Answer: 10%

3) An Amount of money at compound interest grows upto Rs 3840 in 4 years and upto Rs 3936 in 5 years. Find the rate of interest.
a) 2.5%
b) 2%
c) 3.5%
d) 2.05%



Answer: 2.5%