Question
Karan had Rs. 10000 with him. He invested 50% of the sum
at 9% p.a. and the rest at 12% p.a., both at simple interest for 2 years each. Find the total interest received by Karan.Solution
ATQ, Interest received by Karan at 50% of the sum = (0.50×10000×9×2)/100=Rs.900 Interest received by Karan on 50% of the sum = (0.50×10000×12×2)/100=Rs.1200 Therefore, total interest received = 900 + 1200 = Rs. 2100
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