Neco 2025 Mathematics Question 1
Practice objective / multiple choice question 1 from the 2025 Neco Mathematics examination.
A bag contains two boxes, A and B. Box A has 3 red and 2 blue balls. A box is selected at random with probability \(0.4\) for A and \(0.6\) for B. Box B contains red, blue and green balls totalling 30. The overall probability of drawing a red ball is \(0.5\) and that of drawing a green ball is \(0.2\). Find the number of green balls in Box B.
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About This Question
This is Neco 2025 Mathematics Question 1. It is one of the objective questions from the 2025 Neco Mathematics examination.
Difficulty level: Hard .
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