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NDA Math Probability
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© examsnet.com
Question : 2
Total: 100
Two cards are chosen at random from a deck of 52 playing cards. What is the probability that both of them have the same value?
[NDA I 2019]
1
17
3
17
5
17
7
17
Validate
Solution:
(A)
Total number of ways of selecting two cards from 52 cards =
52
C
2
Favourable cases = 13∙
4
C
2
Hence required probability =
13.
4
C
2
52
C
2
=
1
17
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