Igcse Model Questions Vol1 2020 Mathematics Question 30
Practice objective / multiple choice question 30 from the 2020 Igcse Model Questions Vol1 Mathematics examination.
Three boxes A, B and C are chosen with equal probability. Box A contains 2 white and 3 black balls, box B contains 4 white and 1 black ball, and box C contains 3 white and 2 black balls. Two balls are drawn without replacement from the selected box. Given that both drawn balls are white, what is the probability that the selected box was B? Express your answer as a fraction in lowest terms.
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About This Question
This is Igcse Model Questions Vol1 2020 Mathematics Question 30. It is one of the objective questions from the 2020 Igcse Model Questions Vol1 Mathematics examination.
Difficulty level: Hard .
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