Question
Out of 1000 students in a school, the ratio of boys and
girls is 4:6. If 3 out of every 4 boys pass and 2 out of every 5 girls pass, how many total students passed?Solution
ATQ,
Number of boys = (4/10) × 1000 = 400
Number of girls = (6/10) × 1000 = 600
Required number of students = (3/4) × 400 + (2/5) × 600 = 300 + 240 = 540
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