162519. Simple interest on a certain sumisof the sum. Findthe rate per – InterviewSolution

1.	162519. Simple interest on a certain sumisof the sum. Findthe rate per cent and the time if both are numericallyequal.
Answer» let s be sumthen I =16/25 sr=t. (given)I=prt/10016/25 s =s×r×r/10016/25=r²/100r²=16×100/25r=40/5r=8%t=8yrs

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