In a class of 225 students, 125 are girls and remaining are boys. Among boys, the ratio of number of boys who are wearing caps to those who are not wearing caps is 1:4 respectively. Find the number of boys in the class who are wearing caps.
Number of boys in the class = 225 – 125 = 100 Number of boys who are wearing caps = 100 × (1/5) = 20
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