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Question

A class has 28 students, including 8 girls and the …… boys. If …… girls leave the class, the probability of randomly selecting a boy becomes 5/6. Which of the following satisfies the two blanks given in the question?

I 20, 4 I
I 20, 3 II
I 20, 2

A Only I

B Only II

C Only III

D Both I and II

E None of these

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