Maya deposited \[50%\] of her savings in the bank. If she deposited \[Rs.\,\,120\] in the bank, what was her monthly allowance?
A) \[Rs.\,\,240\]
B) \[Rs.\,\,600\]
C) \[Rs.\,\,480\]
D) \[Rs.\,\,300\]
Correct Answer: B
Solution :
Maya's savings \[=\frac{2}{5}\]of her allowance\[50%\] of savings is deposited in the bank. Amount deposited in the bank \[\text{=}\left( \frac{\text{2}}{\text{5}}\text{ }\!\!\times\!\!\text{ }\frac{\text{50}}{\text{100}}\text{ }\!\!\times\!\!\text{ allowance} \right)\] \[=\frac{1}{5}\times \]allowance \[=Rs.\,\,120\](Given) \[\therefore \]Allowance\[=Rs.\,\,120\times 5=Rs.\,\,600\]
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