A) 28
B) 50
C) 52
D) 70
Correct Answer: B
Solution :
Let the number is x, then? \[x-\frac{40x}{100}=30\] \[\Rightarrow \] \[60x=3000\] \[\therefore \] \[x=\frac{3000}{60}\] \[=50\]You need to login to perform this action.
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