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An urn contains 5 red, 3 green , 2 blue ...

An urn contains 5 red, 3 green , 2 blue and 4 yellow marbles.
If two marbles are picked at random , what is the probability that either both are red or both are green ?

A

`5//7`

B

`5//14`

C

`1//7`

D

`1//14`

Text Solution

Verified by Experts

The correct Answer is:
C
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