Neco Model Questions Vol1 2018 Mathematics Question 26
Practice objective / multiple choice question 26 from the 2018 Neco Model Questions Vol1 Mathematics examination.
A box contains red, blue and green balls. The probability that a ball drawn at random is red is \( \frac{2}{7} \). After a red ball is drawn and not replaced, the probability that a second ball drawn is green is \( \frac{3}{8} \). If the total number of balls in the box is 49, how many green balls are there?
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About This Question
This is Neco Model Questions Vol1 2018 Mathematics Question 26. It is one of the objective questions from the 2018 Neco Model Questions Vol1 Mathematics examination.
Difficulty level: Hard .
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