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Lady has 2 select gloves & hat from a basket. In the dark, she can distinguish hat & gloves. 14 red, 20 blue, 18 green are there. Find probability that any selected glove pair has same color.

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i think by the form" addition of 2 maximum number + 2(if remaining number is even) or +3(if remaining number is odd)"
so 20+18+2=40
13 years agoHelpfull: Yes(8) No(41)

(14c2+20c2+18c2)/52c2 =.327
9 years agoHelpfull: Yes(3) No(0)

TCS Other Question

A lady took out jacket and gloves, which are avialable in blue
16, yellow 40 and red 36. Power goes off, she can distinguish between
gloves and jacket but not in colors. What is the possibilty their she
will pick up pair of gloves of each color. A lady has fine gloves and
hats in her closet- 18 blue- 32 red and 25 yellow. The lights are out
and it is totally dark inspite of the darkness. She can make out the
difference between a hat and a glove. She takes out an item out of
the closet only if she is sure that if it is a glove. How many gloves
must she take out to make sure she has a pair of each colour?
a) 50 b) 8 c) 60 d) 42 A lady had fine gloves and hats. 25 blue, 7 red and 9 gey. She had to select a pair among them. But there was no light so she had to select in darkness the correct pair with a glove and a hat. Therefore how many combinations of same color she can select?