Accenture
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Numerical Ability
Probability
From a pack of 52 cards, two cards are drawn together at random. What is the probability of both the cards being kings?
A. 1/15
B. 25/57
C. 35/256
D. 1/221
Read Solution (Total 6)
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- probability of drawing 2 cards from 52 cards is done in 52c2 ways
the probality that both are kings is done in 4c2 ways
4c2/52c2
6/1326
1/221 - 12 years agoHelpfull: Yes(15) No(0)
- The Answer is 1/221(option D)
Prob. of drawing a king in the first attempt=4/52
Prob of drawing another king is =3/51( Now out of 51 cards)
Thus, in aggregate the prob is (4/52)*(3/51)=1/221 - 13 years agoHelpfull: Yes(10) No(0)
- probability of both the cards being kings = 4/52 * 3/51 = 1/(13*17) = 1/221 .. option D
- 13 years agoHelpfull: Yes(2) No(1)
- first we have 52 card only for card is king 2 card is draw then
4C2
probability=4C2/52c2=1/221 - 11 years agoHelpfull: Yes(1) No(0)
- 4C2/52C2=
1/221 - 8 years agoHelpfull: Yes(0) No(0)
- D. 4c2/52c2 = 1/221
- 7 years agoHelpfull: Yes(0) No(0)
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