A started a business with an investment of Rs.32000. After few months B joined him with an investment of Rs.40000. If at the end of the year, they share the profit in the ratio of (A:B) 15:16, then find after how much time B joined the business?
Let B invested for ‘m’ months. According to the question, => (32000 x 12)/(40000 x m) = 16/15 => m = 9 months So, the required time = 12 – 9 = 3 months
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