The ratio of the number of boys and girls in a school is 3 2 If 20 of the boys and 25 of the girls a...........

Quantitative Aptitude (CGL) Ratio, Proportion

The ratio of the number of boys and girls in a school is 3:2. If 20% of the boys and 25% of the girls are scholarship holders, the percentage of the school

students who are not scholarship holders is

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Explanation:

Let number of boys be 300.
Number of girls = 200
Boys holding scholarship = 20/100×300 = 60
Girls holding scholarship = 25/100×200 = 50
Total students holding scholarship = 60 + 50 = 110
Therefore. Percentage of students not holding scholarship
= 500−110/500×100%
= 390/500×100% = 78%