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प्रश्न
A card is drawn at random from a pack of 52 cards. Find the probability that the card drawn is:
either a black card or a king
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उत्तर
There are 26 black cards and 4 kings, but two kings are already black. Hence, we only need to count the red kings. Thus, the probability is: (26+2)/52 = 7/13
संबंधित प्रश्न
In a simultaneous throw of a pair of dice, find the probability of getting:
a sum more than 7
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white
A bag contains 5 red marbles, 8 white marbles, 4 green marbles. What is the probability that if one marble is taken out of the bag at random, it will be
not green
When two dice are rolled:
Find probability of getting an odd total.
On tossing a coin, the outcome is ______.
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H T T H T H H H T T H T H T T. The chance of occurrence of a head is 50 per cent.
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