The simple interest on a certain sum for 3 years is Rs.225 and the compound interest on the same sum at the same rate for 2 years is Rs.153. Find the rate of interest and the principal.
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Step-by-step explanation:
S.I for 1year = 225/3 =75 S.I for 2 years = 150 Difference between S.I and C.I is 3 which is 4% of 75( S.I for 1 year) So, the rate of interest must be 4% 4% is 75 100% is 1875 ...the principle.
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