Question
Alisha had Rs. 7500 with her. She invested 20% of the
sum at 7% p.a. and the rest at 13% p.a., both at simple interest for 6 years each. Find the total interest received by Alisha.Solution
ATQ, Interest received by Alisha at 20% of the sum = (0.20×7500×7×6)/100=Rs.630 Interest received by Alisha on 80% of the sum = (0.80×7500×13×6)/100=Rs.4680 Therefore, total interest received = 630 + 4680 = Rs. 5310
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