A jar contains 16 marbles, of which 4 are red, 3 are blue, : Quant Question Archive [LOCKED]
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# A jar contains 16 marbles, of which 4 are red, 3 are blue,

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Joined: 17 Oct 2008
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A jar contains 16 marbles, of which 4 are red, 3 are blue, [#permalink]

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17 Oct 2008, 09:43
This topic is locked. If you want to discuss this question please re-post it in the respective forum.

A jar contains 16 marbles, of which 4 are red, 3 are blue, and the rest are yellow. If 2 marbles are to be selected at random from the jar, one at a time without being replaced, what is the probability that the first marble selected will be red and the second marble selected will be blue?

A. 3/64
B. 1/20
C. 1/16
D. 1/12
E. 1/8
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Joined: 17 Jun 2008
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17 Oct 2008, 11:26
4/16 (for first marble) * 3/15 (for second marble) = 1/20.
Re: marble   [#permalink] 17 Oct 2008, 11:26
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