Question

. In ABC College, 60% of students are less than 20 years of age. The number of students more than 20 years of age is 2/3 of number of students of 20 years of age which is 42. What is the total number of students in the ABC College?
A. 75
B. 90
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Answer 1

The number of students more than 20 years of age is 2/3 of number of students of 20 years of age which is 42. What is the total number of students in the ABC College? Explanation: Let the total number of students be x. Then, Number of students more than 20 years of age = (100 - 63)% of x = 37% of x.