A and B invest Rs. 3000 and Rs. 2400 respectively in a business.

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A and B invest Rs. 3000 and Rs. 2400 respectively in a business. If after one year there is a loss of Rs. 720, how much loss will B bear? (Loss or profit is in proportion to their investments)

1. Rs. 72
2. Rs. 320
3. Rs. 400
4. Rs. 360

Correct Option: B

Here , Total Loss = Rs. 720
∴ Ratio of sharing of loss = Ratio of investments
Ratio of sharing of loss = 3000 : 2400 = 5 : 4
Sum of the terms of ratio = 5 + 4 = 9

∴ Loss shared by B = Rs.			4	× 720		= Rs. 320
			9