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A bag contains red and blue marbles in the ratio 3 : 5. If there are 24 red marbles, the number of blue marbles is
A30
B32
C36
D40
Answer & Solution
Correct answer: D. 40
Red : Blue = 3 : 5. Red = 24 = 3k, so k = 8. Blue = 5k = 40.
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