if A's salary is 100% more than that of b, then by what percentage B's

1.	if A's salary is 100% more than that of b, then by what percentage B's salary is less than that of A
Answer» $\red{\textbf{Answer :- 50}}$ % $Let \: B \: gets \: Rs.100$ $A's \: salary \: is \: 100 \% \: more \: than \: B's \: salary$ $so \: a \: gets \: 100 \: + \: 100\%=200$ $B \: gets \: (200-100)=Rs.100 \: less \: than \: A$ $Percentage \: of \: B's \: salary \: less \: than \: A's$ $salary \: will \: be \: ,$ $= \LARGE \frac{100}{200} \small \times 100$ $= 50\%$