Question

4/25 part of a sum can be earned from the sum in 2 years at simple interest, then, find
the rate of Interest,
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Answer 1

Answer:

$Let the principal be Rs.x, then the simple interest (I) = (4 / 25 )x.</p><p>The rate of interest per annum be r% then time (T) = r years</p><p>R = ( 100 * I ) / ( P * T )</p><p>r = ( 100 * ( 4/25 ) x ) / ( x * r )</p><p>r2 = 400 / 25</p><p>r = 20 / 5</p><p>= 4 %$

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