Igcse Model Questions Vol1 2022 Mathematics Question 6
Practice objective / multiple choice question 6 from the 2022 Igcse Model Questions Vol1 Mathematics examination.
A bag contains red, blue and green balls. The total number of balls is 10. The number of blue balls is twice the number of green balls. A ball is drawn at random, its colour noted, then it is replaced and an extra ball of the same colour is added to the bag. A second ball is then drawn at random. The probability that both drawn balls are red is \(\frac{2}{11}\). Find the number of green balls initially in the bag.
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About This Question
This is Igcse Model Questions Vol1 2022 Mathematics Question 6. It is one of the objective questions from the 2022 Igcse Model Questions Vol1 Mathematics examination.
Difficulty level: Hard .
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