Question
Simple interest earned on an amount of Rs.1400 at rate
of R% per annum after 4 years is Rs.336. 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, => 336 = 1400 × R% × 4 => R = 336/56 = 6 Therefore, required interest = 1600 × (6 + 3)% × 2 = Rs.288
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