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Posted By: Ramya.K       Member Level: Gold       Posted Date: 29 Aug 2008       Category: Aptitude Test

A boy has 9 pairs of dark Blue socks and 9 pairs of Black socks. He keeps them all in a same bag. If he picks out three socks at random what is the probability he will get a matching pair?



Select Answer:

(2*9C2 * 9C1) / 18C3
(9C2 * 9C1) / 18C3
1
None of these




      
Your Test Score: 0 / 0



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