If Ravi spent \[{{\left( \frac{1}{5} \right)}^{th}}\] of the amount of money he saved in April, then how much he earned in that month?
A) Rs 3200
B) Rs 800
C) Rs 4800
D) Rs 4000
Correct Answer: C
Solution :
Amount saved in April = Rs 4000 Amount spent = Rs \[\left( 4000\times \frac{1}{5} \right)\]= Rs 800 \[\therefore \] Amount he earned = Rs \[\left( 4000+800 \right)\] = Rs 4800
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