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A box contains 25 red blacks, 100 blue blocks, and 175 yellow blocks.
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19 Jul 2010, 03:07
19 Jul 2010, 03:07
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Difficulty:
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A box contains 25 red blacks, 100 blue blocks, and 175 yellow blocks. What is the probability that a block picked at random from the box will be red ?
A. 1/25
B. 1/12
C. 1/7
D. 1/5
E. 1/3
A. 1/25
B. 1/12
C. 1/7
D. 1/5
E. 1/3
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Joined: 03 Jun 2010
Posts: 97
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Location: United States (MI)
Concentration: Marketing, General Management
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Re: A box contains 25 red blacks, 100 blue blocks, and 175 yellow blocks.
[#permalink]
19 Jul 2010, 03:40
19 Jul 2010, 03:40
There are 25 reds out of 300 blocks.
25/300 = 1/12 (B)
25/300 = 1/12 (B)
Re: A box contains 25 red blacks, 100 blue blocks, and 175 yellow blocks.
[#permalink]
19 Jul 2010, 04:33
19 Jul 2010, 04:33
You're right. It would be B.
