Question

what is the rate of simple interest per annum ,when the interest of a sum of money 10 years will be 2/5 parts of it amount __let us determine it​

Answer 1

Answer:

rate = 4%

Step-by-step explanation:

let sum = x

S.I = 2x/5 ( as per the question )

Rate = {( 100*2x ) / ( x*5*10 )}%

Rate = 4%