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A bag contains 7 blue marbles and 14 mar...

A bag contains 7 blue marbles and 14 marbles that are not blue. If one marbles is drawn at random from the bag, what is the probability that the marbles is blue?

A

`(1)/(3)`

B

`(1)/(2)`

C

`(2)/(3)`

D

`(3)/(7)`

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The correct Answer is:
A
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