S I on certain sum for 3years at any rate of interest is Rs225 while C I on the same sum at the same...........

Quantitative Aptitude (HARCO) Compound Interest

S.I on certain sum for 3years at any rate of interest is Rs225 while C.I on the same sum at the same rate for 2yrs is 153. Find the rate%?

S.I for 1yr = 225/3 =75
S.I for 2nd yr= 150
S.I 75 75
C.I 3(153-150=3)
3/75 * 100 = 4%

Hence, option 3 is the correct answer.

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