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
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20 /(28 – x) = 5/6 28 – x = 24 x = 4More Probability Questions
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