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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
Find the probabilities of the events given in Question 2.
The probability that it will rain tomorrow is 0.85. What is the probability that it will not rain tomorrow?
A die is thrown. Find the probability of getting 2 or 4.
In a simultaneous throw of a pair of dice, find the probability of getting:
a sum greater than 9
In a simultaneou throw of a pair of dice, find the probability of getting:
an even number on first
A card is drawn at random from a pack of 52 cards. Find the probability that the card drawn is:
black and a king
A card is drawn at random from a pack of 52 cards. Find the probability that the card drawn is:
neither a red card nor a queen.
A bag contains 3 red balls and 5 black balls. A ball is drawn at random from the bag. What is the probability that the ball drawn is:
red
Classify the following statements under appropriate headings.
- Getting the sum of angles of a triangle as 180°.
- India winning a cricket match against Pakistan.
- Sun setting in the evening.
- Getting 7 when a die is thrown.
- Sun rising from the west.
- Winning a racing competition by you.
| Certain to happen | Impossible to happen | May or may not happen |
When a coin is tossed, there are 2 possible outcomes.
