Question
Simple interest on Rs. 900 at R% per annum after 6 years
is Rs. 324. Find the simple interest on Rs. 1600 at (R + 6)% per annum after 2 years.Solution
According to question, 324 = 900 × R% × 6 R = 324/54 = 6 Therefore, required interest = 1600 × (6 + 6)% × 2 = Rs. 384
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