A) 78%
B) 77%
C) 55%
D) 79%
Correct Answer: A
Solution :
Let the number of boys \[=3x\] And number of girls \[=2x\] \[\therefore \] Total number of students \[=5x\] Number of boys who are not scholarship holders \[=80%\text{ of }3x\] \[=\frac{80\times 3x}{100}=\frac{12x}{5}\] And number of girls who are not scholarship holder \[=75%\] of 2x \[=\frac{75\times 2x}{100}=\frac{3x}{2}\] \[\therefore \] Total number of students who are not scholarship holder \[=\frac{12x}{5}+\frac{3x}{2}=\frac{24x+15x}{10}=\frac{39x}{10}\] \[\therefore \] Required percentage \[=\frac{39x/10}{5x}\times 100%\] \[=78%\]You need to login to perform this action.
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