Question

simple interest on a sum of money at the end of 5 years is 4 upon 5 of the sum itself.find the rate per cent p.a.​

Answer 1

${\huge {\underline {\tt {\blue {Answer}}}}}$

Let principal be P

time = 5 year

simple interest = 4/5p

P×R×T/100 = 4/5p

= P×R×5/100 = 4/5p

R = 4/5 × 100/5

= 16%

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