Question

If a commission of 10% is given to the market price of a book the publisher gain 20%. If the commission is increased to 15%,the gain is? ​

Answer 1

Let MP = 100.

SP after giving 10% commission =

100 - 10% of 100

= 90.

Let CP = X.

Gain = 20%.

Now,

X + 20% of X = 90

120X /100 = 90

X = 75.

CP = 75.

If 15% commission was given then Sp = 85.

Gain = 85 -75 = 10

% gain = (10 *100)/75 = 40/3 = 13.33%.