Question

What is answerhow much time will it take for an amount of rs. 450 to yield rs. 81 as interst at 4.5% per annum of simple interest?

Answer 1

hiii friend
here is your answer
$si = p \times r \times \frac{t}{100} \\ 81 = 450 \times 4.5 \times \frac{t}{100} \\ \frac{8100}{450 \times 4.5} = t \\ t = 4years$


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