8Dec/094
Matching Pair of Socks
Mammu has 16 pairs of white socks and 16 pairs of brown socks. She keeps them all in the same drawer. If she picks out three socks at random what is the probability she will get a matching pair?
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Recent Comments
watchman was paid for awaking not for sleeping so that he can see dreams.. – 05Feb12
as a night watchman he shouldnt have slept at night to get that dream... – 04Feb12
Can u plz give me clarity in ur solution Kaush sir..... – 04Feb12
thanks for these tricks. Are these from the book "quicker maths by m.tyra" ? – 03Feb12
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February 12th, 2011 - 04:01
yes akrti u r correct……
February 12th, 2011 - 03:59
as total no of shocks (both black n white) are 64, out of dem 32 black n 32 white,
wen she picks up 3 shocks it may be eidr 2black one white ,or 2 white one black or 3 black or 3 white…
so the probabity will be :: 2* (32C2 * 32C1 / 64C3) + 2*(32C3/64C3)
March 26th, 2010 - 23:42
AKRATI U R CORRECT
December 9th, 2009 - 17:43
probability is one