Question
A college has 720 students with a boy to girl ratio of 2:1.
If the ratio of boys who passed to failed is 5:1 and for girls it is 3:2, find the total number of students who cleared the exam.Solution
ATQ,
Number of boys = (2/3) × 720 = 480
Number of girls = (1/3) × 720 = 240
Required number of students = (5/6) × 480 + (3/5) × 240 = 400 + 144 = 544
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