A) 8
B) 7.5
C) 6.5
D) 5
Correct Answer: D
Solution :
[d] Let the required number be x. \[\therefore \frac{7+x}{11+x}=\frac{3}{4}\] \[\Rightarrow 28+4x=33+3x\] \[\Rightarrow x=33-\,28=5\]You need to login to perform this action.
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