3. If selling price is doubled, the profit triples. Findthe profit per

1.	3. If selling price is doubled, the profit triples. Findthe profit percent.2A. 66-3B100D. 120C. 105-3In a certain store, the profit is 320% of the cost.If the cost increases by 25% but the selling price4:remains constant, approximately whatpercentage of the selling price is the profit?A. 30%B. 70%C.100%D. 250905.A vendor bought toffees at 6 for a rupee. Howmany for a rupee must he sell to gain 20%?
Answer» Let C.P. be Rs. x and S.P. be Rs. y. Then, 3(y - x) = (2y - x) y = 2x. Profit = Rs. (y - x) = Rs. (2x - x) = Rs. x. Profit % ={(x/x)x100}% = 100%

3. If selling price is doubled, the profit triples. Findthe profit percent.2A. 66-3B100D. 120C. 105-3In a certain store, the profit is 320% of the cost.If the cost increases by 25% but the selling price4:remains constant, approximately whatpercentage of the selling price is the profit?A. 30%B. 70%C.100%D. 250905.A vendor bought toffees at 6 for a rupee. Howmany for a rupee must he sell to gain 20%?

Answer»

Let C.P. be Rs. x and S.P. be Rs. y.

Then, 3(y - x) = (2y - x) y = 2x.

Profit = Rs. (y - x) = Rs. (2x - x) = Rs. x.

Profit % ={(x/x)x100}% = 100%