If the simple interest on a certain sum of money is 4/25th of the principle amount and the rate percent equals the number of years, then the rate of interest per annum is:

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10%

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Solution

The correct option is B 4%
let principal =x then SI= 4/25 x
Let rate be” r” then time =r years
SI= PRT /100
Put all here all will cut and we left with
r² =16; r = 4%

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If the simple interest on a certain sum of money is 4/25th of the principle amount and the rate percent equals the number of years, then the rate of interest per annum is:

The correct option is B 4%let principal =x then SI= 4/25 x Let rate be” r” then time =r years SI= P*R*T /100 Put all here all will cut and we left with r 2 =16; r = 4%

The correct option is B 4%
let principal =x then SI= 4/25 x
Let rate be” r” then time =r years
SI= PRT /100
Put all here all will cut and we left with
r² =16; r = 4%