A) 20
B) 50
C) 60
D) 80
Correct Answer: B
Solution :
Let the number be\[x\]. Now, its two - fifth \[=\frac{2}{5}\times x=\frac{2x}{5}\] A/Q, \[\frac{x}{1}+\frac{2x}{5}=70\Rightarrow \frac{7x}{5}=70\] \[\therefore \] \[x=\frac{70\times 5}{7}=50\]
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