Quantitative Aptitude Ques 2134

Question: The price of a commodity rises from Rs. 6 per kg to Rs. 7.50 per kg. If the expenditure cannot increase, then the percentage of reduction in consumption is

Options:

A) 15

B) 20

C) 25

D) 30

Show Answer

Answer:

Correct Answer: B

Solution:

  • Percentage increase $ =\frac{7.5-6}{6}\times 100=25 $ %

$ \therefore $ Percentage decrease in consumption $ =\frac{a}{100+a}\times 100 $ Here, $ a=25%. $ So, $ \frac{25}{125}\times 100=20 $ %

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