Question
Simple interest earned on an amount of Rs.1400 at rate
of R% per annum after 3 years is Rs.210. Find the simple interest earned on an amount of Rs.1600 at rate of (R + 3)% per annum after 2 years.Solution
According to question, => 210 = 1400 × R% × 3 => R = 210/42 = 5 Therefore, required interest = 1600 × (5 + 3)% × 2 = Rs.256
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