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# PS - Probability (tough question)

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Intern
Joined: 17 Jun 2009
Posts: 24
PS - Probability (tough question) [#permalink]

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16 Jul 2009, 16:57
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Six cards numbered from 1 to 6 are placed in an empty bowl. First one card is drawn and then put back into he bowl; then a second card is drawn. If the cards are drawn at random and if the sum of the numbers on the cards is 8, what is the probability that one of the two card drawn is numberd 5?

(A). 1/6
(B). 1/5
(C). 1/3
(D). 2/5
(E). 2/3

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Senior Manager
Joined: 20 Mar 2008
Posts: 439
Re: PS - Probability (tough question) [#permalink]

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16 Jul 2009, 17:48
Total 5 combination possible for getting a sum of 8 in two draws. (26, 35, 44, 53, 62.) Anything with a '1' don't count. Now, between the 5 combos, two contain 5s, so I think it should be 2/5 - D

Would be very interested in the OA?

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This is not a quality discussion. It has been retired.

If you would like to discuss this question please re-post it in the respective forum. Thank you!

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Re: PS - Probability (tough question)   [#permalink] 16 Jul 2009, 17:48
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# PS - Probability (tough question)

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