Multiple choice

If a commission of 10% is given on the marked price of a book, the publisher gains 50%. If the commission is increased to 20%, then find his gain%.

  1. 20%

  2. 33.33%

  3. 33%

  4. 30%

  5. 20.33%
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Let CP be Rs. 100. First SP = Rs. 150 Now, SP = Rs. 150 Commission = 10% Therefore, MP = [(100/90) X 150] = Rs. 500/3 Now, marked price = 500/3 Commission = 20% Therefore, SP = 80% of 500/3 = [(80/100) X (500/3)] = 400/3 Therefore, gain% = [(400/3) - 100] = 100/3% = 33.33%

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