Question

Simple interest on a sum of money at the end of 4 yrs is 45 of the sum itself. Find the rate % per annum.

Answer 1

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%

Answer 2

Answer:

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