In a business, A invested Rs. 1600 more than that by B. After 7 months, A left the business. If at the end of the year, profit earned by B is equal to the profit earned by A, then find the amount invested by A in the business.
Let the amount invested by B be Rs.x. According to question, => x × 12 = (x + 1600) × 7 => 12x = 7x + 11200 => 5x = 11200 => x = 2240 Amount invested by A = 2240 + 1600 = Rs.3840
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