A deck of cards contains red cards numbered 1,2,3,4,5,6,7,8,9, blue cards numbered 1,2,3,4 and green cards numbered 1,2,3,4,5,6,7,8,9,10. If a single card is picked at random, what is the probability that the card is green?
Ans:
There are 9 red cards,4 blue cards and 10 green cards,so there are total 23 cards.
The probability that the card is green=10/23
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