A's salary is 25% more than B's salary. By what percent is B's salary less than A's?
A. 20%
B. 22%
C. 15%
D. 25%
A. 20%
B. 22%
C. 15%
D. 25%
Best answer
Answer: A. 20%
Answer: (A) 20%
Shortcut: \(\frac{r}{100+r} \times 100 = \frac{25}{125} \times 100 = 20\%\).
Plain: let B = 100, then A = 125. B is less by 25 on a base of 125 = 20%.
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