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It is dark in my bedroom and I want to get two socks of the same color from my drawer, which contains 24 red and 24 blue socks. How many socks do I have to take from the drawer to gate at least two socks of the same color?
a) 2 b) 3 c) 48 d) 25
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- ans (b)
let
if first is red
and by luck if 2nd is not red then we u hav to take 3rd one.
which will be either red or blue.
but u will get 2 socks of same color,either red or blue. - 13 years agoHelpfull: Yes(25) No(3)
- ans is d
first take 24 may r may not contain same colour
but taking 25 there must be atleast 1 pair of same colour or more pairs - 13 years agoHelpfull: Yes(10) No(5)
- at least 3 socks should be taken
when 3 are of the same color then also a pair is formed
when 2 are of one color and the third ism different then also a pair is formed - 13 years agoHelpfull: Yes(6) No(2)
- 3 considering the worst case.
- 13 years agoHelpfull: Yes(1) No(2)
- there r 2 ans. (a)2 and (b)3
- 13 years agoHelpfull: Yes(0) No(8)
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