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प्रश्न
Two cards are drawn together from a pack of 52 cards. The probability that one is a spade and one is a heart, is?
विकल्प
3/20
29/34
47/100
13/102
MCQ
उत्तर
13/102
Explanation:
Total number of cards = 52
Number of spade cards = 13
Number of heart cards = 13
Two cards are drawn together.
⇒ Probability that one is a spade and one is a heart,
P = `(""^13C_1 xx ""^13C_1)/(""^52C_2) = (13 xx 13 xx 2)/(52 xx 51)`
P = `13/102`
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