BMAT考试：2016年能力与技巧练习（1）

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BMAT考试：能力与技巧练习练习

A school has 120 pupils, in five year groups. Thefollowing table gives some details about the numbers of boys and girls in eachyear group:

There is a probability of 1 in 12 that a boyselected at random is in Year 4.

What is the probability that a Year 4 pupilselected at random is a boy?

A   1 in 2

B   1 in 12

C   3 in 5

D   3 in 8

E   5 in 8

F   5 in 12

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