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A and B started a joint business. A's investment was thrice the investment of B and the period of his investment was twice the period of investment of B. If B got ₹ 6000 as profit, then what will be the 20% of total profit ?
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- ₹ 5000
- ₹ 8400
- ₹ 3500
- ₹ 4500
- None of the above
Correct Option: B
Let investment of B be a for b months.
Then, A's investment = 3a for 2b months
∴ A : B = (3a x 2b) : (a x b) = 6ab : ab = 6 : 1
Let the total profit = m.
Then. m x 1/7 = 6000
∴ m = 6000 x 7 = ₹ 42000
∴ 20% of 42000 = ₹ 8400
