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An amount of money at compound Interest grows up to Rs.3.840 In 4 years and up to Rs.3.936 In 5 years. Find the rate interest.

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An amount of money at compound Interest grows up to Rs.3.840 In 4 years and up to Rs.3.936 In 5 years. Find the rate interest.
1). 2.5%
2). 2%
3). 3.5%
4). 2.05%

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2 answers

0 vote
Answered by on | Votes 0 |
2.5% is the answer

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0 vote
Answered by on | Votes 0 |

.Here, b – a = 5 – 4 = 1
B = Rs. 3,936, A = Rs. 3,840
R%= ($\frac{B}{A}-1)\times100$%

($\frac{3936}{3840}-1)\times100$%

$\frac{3936-3840}{3840}\times100$%

$\frac{96}{3840}\times100$%

= 2.5%




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