Question 56
There are 1400 students in a school, 25% of those wear spectacles and 2/7 of those wearing spectacles are boys. How many girls in the school wear spectacles?
Solution
Total students in school = 1400
Number of students who wear spectacles = $$\frac{25}{100} \times 1400=350$$
Number of boys who wear spectacles = $$\frac{2}{7} \times 350=100$$
=> Number of girls who wear spectacles = $$350-100=250$$
=> Ans - (A)
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