Subject
Quantitative Aptitude
Topic
Probability
From a pack of 52 cards, two cards are drawn together at random. What is the probability of both the cards being kings?
From a pack of 52 cards, two cards are drawn together at random. What is the probability of both the cards being kings?
ক)
1/15খ)
25/57গ)
35/256ঘ)
1/221Explanation
Let S be the sample space. Then, n(S) = 52C2 =(52 x 51)/ (2 x 1)= 1326. Let E = event of getting 2 kings out of 4. n(E) = 4C2 =(4 x 3)/ (2 x 1)= 6. P(E) = n(E)/ n(S) = 6/1326 = 1/221.Related questions
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