A bag of marbles contains twice as many red marbles as blue marbles, : Crackverbal Support

A bag of marbles contains twice as many red marbles as blue marbles, Print

Modified on: Tue, 12 Oct, 2021 at 4:34 PM

Concept: The question tests on Probability

Solution:

Let the number of green marbles = x, then the number of Blue marbles = 2x and the number of Red marbles = 4x
Total Marbles = x + 2x+ 4x = 7x
Probability = Favorable outcomes / Total Outcomes = 2x / 7x = 2/7

Option D

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A bag of marbles contains twice as many red marbles as blue marbles, Print

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