Question
An individual borrowed Rs. 9,600 at 13% p.a. and another
Rs. 6,400 at 11% p.a., both on simple interest. If the total interest after ‘n’ years is Rs. 5,472, find the value of ‘n’.Solution
ATQ,
9600 × (13/100) × n + 6400 × (11/100) × n = 5472
Or, 1248n + 704n = 5472
So, n = (5472/1952) = 2.8 years
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