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From well shuffled standard pack of 52 playing cards,one card is drawn. What is the probability that it is either a red card or black card?

1/2
3/4
1
1/3

Correct Answer: 1

Explanation:

P(red cards)=26/52

P(black cards)=26/52

P(red or black cards)=26/52+26/52=1

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