Question
The difference between compound interest and simple
interest on a sum for 2 years at 15% per annum is Rs 135. Find the principal.Solution
ATQ, For 2 years: CI - SI = P x (R/100)^2 135 = P x (15/100)^2 135 = P x 225/10000 P = 135 x 10000 / 225 = 6000
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