Question

At what rate percent per annum will Rs. 4,500 amount to Rs. 5,715 in 3 years?

Answer 1

$\huge\underline\bold\purple{ here\: is\: your\: answer:}$

$\bold{Answer:} \\ {9\% \: p.a} \\ \\ \bold{step \: by \: step \: explanation: }$

A/q

Principal = 4,500

Amount = 5,715

Now,

Simple interest = A - P

= 5,715 - 4,500

= 1,215

Time = 3 yrs p.a

So,

$\bold{ rate \: = \frac{s.i \times 100}{p \times t} }$

$\bold{ = \frac{1215 \times 100}{4500 \times 3} } \\ \\ = \bold{ \frac{121500}{13500} } \\ \\ = \bold{9\% \: p.a\: \: ans.}$

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