Question
Rs. (x + 500) invested on simple interest amounts to Rs.
4,500 and Rs. 5,100 in 5 years and 7 years, respectively. Find the value of 'x'.Solution
ATQ,
Interest earned in 2 years = 5,100 - 4,500 = Rs. 600 Interest earned in 1 year = (600 / 2) = Rs. 300 Interest earned in 5 years = 300 × 5 = Rs. 1,500 So, x + 500 = 4,500 - 1,500 Or, x + 500 = 3,000 Or, 'x' = 3,000 - 500 Or, 'x' = 2,500
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