Question : If A's salary is 30% more than that of B, then by how much percent is B's salary less than that of A?
Option 1: 13.1%
Option 2: 13.07%
Option 3: 23.07%
Option 4: 23.01%
Correct Answer: 23.07%
Solution :
Given: A's salary is 30% more than that of B.
Let the salary of B be 100 units.
So, salary of A will be = 100 + (100 × $\frac{30}{100}$) = 130 units
The percentage B is less than A
= $\frac{A-B}{A}\times 100$
= $\frac{(130-100)}{130}× 100$
= $\frac{30}{130} × 100$
= $23.07\%$
Hence, the correct answer is 23.07%.
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