Quantitative Aptitude Ques 1020

Question: A man sold two watches for Rs. 240 each. On one he gains 20% and incurs a loss of 20% on another. What is his gain or loss per cent in this transaction?

Options:

A) 1% profit

B) 4% loss

C) 3% loss

D) 4% profit

Show Answer

Answer:

Correct Answer: B

Solution:

  • Total SP $ =240+240=480 $ Then, CP of first watch $ =\frac{240\times 100}{120}=200 $ and CP of second watch $ =\frac{240\times 100}{80}=300 $ Total $ CP=200+300=500 $ Loss $ =CP-SP=500-480=20 $

$ \therefore $ Loss% = $ \frac{20}{500}\times ,100 $ = 4%

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