A) 105
B) 100
C) 95
D) 60
Correct Answer: B
Solution :
[b] Let there be x girls and \[\left( 150-x \right)\]boys. \[\Rightarrow 55x+70\left( 150-x \right)=\text{ }150\times 60\] \[\therefore \text{ }x=100.\]You need to login to perform this action.
You will be redirected in
3 sec