Subject
Quantitative Aptitude
Topic
Profit & Loss
If a commission of 10% is given to the customer on the catalog price of a book, the publisher gains 20%. If the commission is increased to 15%, the gain is:
If a commission of 10% is given to the customer on the catalog price of a book, the publisher gains 20%. If the commission is increased to 15%, the gain is:
ক)
16.67খ)
13.33%গ)
15.17%ঘ)
17%Explanation
Let CP = 100 and Marked Price = X SP = 100 + 20% of 100 = 120 10% commission was given on SP SP = X – 10% of X 120 = X – 10X/100 120 = 9X/10 9X = 1200 X = 1200/9 = 133.33 MP = 133.33 If 15% commission was given, then SP = 133.33 – 15% of 133.33 SP = 133.33 – 20 SP = 113.33 Gain = 113.33 – 100 % Gain = 13.33%Related questions
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