PROFIT AND LOSS

1.) A person incurs a loss of 5% be selling a watch for Rs. 1140. At what price should the watch be sold to earn 5% profit.

 (a)Rs.1200                     (b)Rs.1230                       (c) Rs.1260                          (d) Rs.1290

sol: Option C

explanation:

 Let the new S.P. be x, then.

(100 - loss%):(1st S.P.) = (100 + gain%):(2nd S.P.)

=>(951140=105x)=>x=1260

2.)If the cost price is 25% of selling price. Then what is the profit percent.

(a)150%           (b)200%               (c)300%                     (d)350%

sol:option C

explanation:

Let the S.P = 100
then C.P. = 25

Profit = 75

Profit% = 75/25 * 100 = 300%