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Solution
The correct option is C 20%
Let us assume the principal to be ₹
y.
Then, the amount will be ₹ 1.44y.
And, n = 2 years
We know that,
A=P(1+r100)n
1.44y=y(1+r100)n
1+r/100=1.2
r/100=1.2−1=0.2
r/100=2/10
r=20
Therefore, the rate of compound interest is 20%.
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Vimal Robinson said: (Sun, Jan 28, 2018 11:47:24 PM IST)
Given Data
Amount = 4 Principle
n = 2 years
R =?
A = P (100+R/100)^2
4P = P ((100+R/100)^2)
Both side of P are cancelled and take square of 4
2^2
=100+R/100)^2
Both side of Square is cancelled
R = 200-100
R = 100%
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Saravanan said: (Tue, May 31, 2016 06:07:08 PM IST)
Ans: 100
Solution:
Formula for rate of compound interest (r) is equal to 100[(m^1/t - 1)]
r = 100[(m^1/t
- 1)]
r = 100[(4^1/2 - 1)]
r = 100[(2 - 1)]
r = 100
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Kashifsiyal said: (Tue, Oct 10, 2017 04:48:55 PM IST)
Here What is m?
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Daud Jutt said: (Fri, Nov 3, 2017 04:50:12 PM IST)
I think m is money @Kashifsiyal.
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