Question
The population of a college grows by 25% annually. In
2019, the population was 24,000. By 2021, the ratio of boys to girls in the college is 7:8. What is the number of boys in the college in 2021?Solution
ATQ,
Present population of the college = 1.25 × 1.25 × 24000 = 37500 Number of boys in the college at present = 37500 × (7/15) = 17500
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