Quantitative Aptitude Ques 414

Question: A’s income is 10% more than B’s income. How much per cent is B’s income less than A’s income?

Options:

A) $ 8\frac{1}{11} $ %

B) $ 9\frac{1}{11} $ %

C) $ 10\frac{1}{11} $ %

D) 12%

Show Answer

Answer:

Correct Answer: B

Solution:

  • Let B’s income be Rs. x. Then, A’s income $ =x+\frac{10}{100}\times x=\frac{11x}{10} $ Required percentage $ =\frac{( \frac{11x}{10}-x )}{\frac{11x}{10}}\times 100 $ $ =\frac{\frac{x}{10}}{\frac{11x}{10}}\times 100=\frac{100}{11}=9\frac{1}{11} $ %
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