Advertisements
Advertisements
प्रश्न
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.
Advertisements
उत्तर
This means that we have to leave the red cards and the queens out. There are 26 red cards and 2 queens (only black queens are counted since the reds are already counted among the red cards). Hence, the probability of drawing neither a red card nor a queen is: (52-26-2)/52 = 6/13
APPEARS IN
संबंधित प्रश्न
Find the probability of the pointer stopping on D.
In a simultaneous throw of a pair of dice, find the probability of getting:
a doublet
A card is drawn at random from a pack of 52 cards. Find the probability that the card drawn is:
the ace of spades
A bag contains 3 red balls, 5 black balls and 4 white balls. A ball is drawn at random from the bag. What is the probability that the ball drawn is:
red?
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:
black
A card is drawn at random from a pack of 52 cards. Find the probability that the card drawn is:
a red card
In a simultaneous throw of a pair of dice, find the probability of getting:
a number other than 5 on any dice.
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 |
In the previous question, what is the probability of picking up an ace from set (d)?
Rohit collected the data regarding weights of students of his class and prepared the following table:
| Weight (in kg) | 44 – 47 | 48 – 51 | 52 – 55 | 56 – 60 |
| Number of Students | 3 | 5 | 25 | 7 |
A student is to be selected randomly from his class for some competition. The probability of selection of the student is highest whose weight is in the interval ______.
