by abdulsaboor » Sun Oct 14, 2012 10:47 am
3.
If selling price is doubled, the profit triples. Find the profit percent.
A. 200/3
B. 100
C. 316/3
D. 120
Explanation:
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 *100%
=100%