A) Rs. 42
B) Rs. 24
C) Rs.81
D) Rs. 18
Correct Answer: D
Solution :
(d): Let the sum be x Then \[\frac{7x}{3}-\frac{3}{7}x=80\] \[\Rightarrow \frac{40x}{21}=80\] \[\Rightarrow x=42\] \[\therefore \]required sum is \[42\times \frac{3}{7}~=Rs.18\]You need to login to perform this action.
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