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If the compound interest on a certainsum for 2 yearsat 4% p.a. is 7 102. the simple Interest at the same rate of interest for two years would be

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If the compound interest on a certainsum for 2 yearsat 4% p.a. is 7 102. the simple Interest at the same rate of interest for two years would be
1). Rs.200
2). Rs.50
3). Rs.150
4). Rs.100

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2 answers

0 vote
Answered by on | Votes 0 |
right answer is Rs.100

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3 vote
Answered by on | Votes 3 |

 This is the right answer

If the sum be P, then

C.I. = P{$1+\frac{R}{200}^{T}$}-1

102 = P{$1+\frac{4}{200}^{2}$}-1

102 = P {$\frac{676-625}{625}$}

P = $\frac{102\times625}{51}$ = 1250

S.I. = 100




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