Question
Rohan had Rs. 5000 with him. He invested 40% of the sum
at 10% p.a. and the rest at 15% p.a., both at simple interest for 3 years each. Find the total interest received by Rohan.Solution
ATQ, Interest received by Rohan at 40% of the sum = (0.40×5000×10×3)/100=Rs.600 Interest received by Rohan on 60% of the sum = (0.60×5000×15×3)/100=Rs.1350 Therefore, total interest received = 600 + 1350 = Rs.1950
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