Igcse Model Questions Vol1 2017 Mathematics Question 38
Practice objective / multiple choice question 38 from the 2017 Igcse Model Questions Vol1 Mathematics examination.
A box contains red, blue and green balls. The probability of drawing a red ball is \(\frac12\), the probability of drawing a blue ball is \(\frac13\). Two balls are drawn at random without replacement and the probability that they are of the same colour is \(\frac13\). Find the total number of balls in the box.
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About This Question
This is Igcse Model Questions Vol1 2017 Mathematics Question 38. It is one of the objective questions from the 2017 Igcse Model Questions Vol1 Mathematics examination.
Difficulty level: Hard .
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