Neco 2020 Mathematics Question 49
Practice objective / multiple choice question 49 from the 2020 Neco Mathematics examination.
A bag contains red, blue and green balls. The number of red balls is twice the number of blue balls, and the number of green balls is three less than the number of red balls. The total number of balls in the bag is 12. Two balls are drawn at random without replacement. Find the probability that the two balls are of different colours and that at least one of them is red. Express your answer in lowest terms.
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About This Question
This is Neco 2020 Mathematics Question 49. It is one of the objective questions from the 2020 Neco Mathematics examination.
Difficulty level: Hard .
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