Question
Karun and Varun invested Rs 2800 and Rs. x in a
business. After 3 months, Karun added Rs 400 while Varun withdrew Rs 500. After a year out of a total profit of Rs.75,600, Varun received Rs 15,120. Find the amount invested by Varun at the starting of business?Solution
Ratio of shares of Karun and Varun = 2800 × 3 + 3200 × 9 : x × 3 + (x - 500) × 9 => 37200 : (12x - 4500) So, [(12x - 4500)/(37200 + 12x - 4500)] × 75600 = 15120 x = Rs.1150
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