One day, 90 students were travelling in a bus and the ratio of the num – McqOptions

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1.	One day, 90 students were travelling in a bus and the ratio of the number of boys to that of girls was 2 ∶ 1. The next day, the number of students remained the same, but the ratio of the number of boys to that of girls became 3 ∶ 2. What was the difference between the numbers of boys travelling in the bus on both the days?
A.	6
B.	18
C.	14
D.	30
Answer» B. 18

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