A and B together start a business with investment of Rs. 2500 and Rs. (x + 500), respectively. If the profit earned after 5 years is Rs. 8000 and share of A is Rs. 4000, then find the value of x.
Ratio of share of profit of A : B = 2500: (x + 500) So, {2500/(x + 3000)} × 8000 = 4000 => 5000 = x + 3000 => x = 2000
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