Q577
Rishu saves x% of her income. If her income increases by 26% and the expenditure increases by 20%. then her savings increase by 50%. What is the value of x?
A.
25
B.
30
C.
20
AnswerD.
10
Answer: Option C
Solution
Answer: Option C
Solution:
\begin{array}{*{20}{c}}
{{\text{Income}}}&{{\text{Saving}}}&{{\text{Expenditure}}} \\
{ \Rightarrow 100}&x&{100 - x} \\
{ \Rightarrow 126}&{1.5x}&{120 - 1.2x}
\end{array}