Gce Model Questions Vol1 2025 Further Mathematics Question 37
Practice objective / multiple choice question 37 from the 2025 Gce Model Questions Vol1 Further Mathematics examination.
An urn initially contains 5 red balls and an unknown number of blue balls. A ball is drawn at random, its colour noted, and then it is replaced by a ball of the opposite colour. After this replacement a second ball is drawn. If the probability that the second draw is red is \(0.5\), determine the initial number of blue balls. Then, using this composition, find the probability that both draws are red.
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About This Question
This is Gce Model Questions Vol1 2025 Further Mathematics Question 37. It is one of the objective questions from the 2025 Gce Model Questions Vol1 Further Mathematics examination.
Difficulty level: Hard .
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