In a pack of 52 cards half are red and the rest are black. There are 13 cards and having the signs ' hearts ', 'spade ', 'clubs ' and 'diamond'. If a card is picked from this pack.What is the probability of it being black?What is the probability of it being a spade?What is the probability of it being a spade or a diamond?
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Answer :black=50% spade = 25% diamond and spade = 50%
Step-by-step explanation: the probability of being black is 50% as 26 cards are black 26/52*100
it being spade is 25 % as there are 13 cards of spade so 13/52*100
as there are 13 cards of diamond and 13 of spade so 50% total is 13+13=26 cards so 26/52*100 is 50%
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