Subject
Quantitative Aptitude
Topic
Probability
Two cards are drawn together from a pack of 52 cards. The probability that one is a spade and one is a heart, is:
Two cards are drawn together from a pack of 52 cards. The probability that one is a spade and one is a heart, is:
ক)
3/20খ)
29/34গ)
47/100ঘ)
13/102Explanation
Let S be the sample space. Then, n(S) = 52C2 = (52 x 51)/ (2 x 1) = 1326. Let E = event of getting 1 spade and 1 heart. n(E) = number of ways of choosing 1 spade out of 13 and 1 heart out of 13 = (13C1 x 13C1) = (13 x 13) = 169. So, P(E) = n(E)/ n(S) = 169/1326 = 13/102.Related questions
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