A) Rs.40
B) Rs.42
C) Rs.47
D) Rs.30.
Correct Answer: C
Solution :
\[\begin{align} & \text{Total amount of money}\,\,\,\,\,\,\,\,\text{=}\,Rs.\,50~ \\ & \text{Price of an eraser}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\text{=}\underline{\text{-Rs}\text{. 3}} \\ & \text{Amount she will get back}\,\,\,\text{=}\,\text{Rs}\text{.47} \\ \end{align}\]
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