The sum of the number of boys and girls in a school is 150. if the number of boys is x, then the number of girls becomes x% of the total number of students. The number of boys is :
Correct Answer: Option D
We have : x + (x% of 150 )= 150
=> x+(x \(\div\) 100) \(\times\) 150] = 150
=> \(\frac52x\;=\;150\)
=> x = (150 \(\times\) 2) \(\div\) 5 = 60
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