| A's salary is 40% of B's salary which is 25% of C's salary. What percentage of C's salary is A's salary? |
A) 5%
B) 10%
C) 15%
D) 20%
Correct Answer: B
Solution :
| Let C's salary be x. |
| B's salary is 25% of x. |
| \[\therefore \] \[\frac{25}{100}x=\frac{1}{4}x\] |
| A's salary is 40% of 25% of \[x=\frac{40}{100}\times \frac{1}{4}x=\frac{1}{10}x\] |
| \[\therefore \]Required percentage \[=\frac{\frac{x}{10}}{x}\times 100=10\]% |
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