Advertisements
Advertisements
प्रश्न
Numbers 1 to 5 are written on separate slips, i.e one number on one slip and put in a box. Wahida pick a slip from the box without looking at it. What is the probability that the slip bears an odd number?
पर्याय
`1/5`
`2/5`
`3/5`
`4/5`
Advertisements
उत्तर
`bb(3/5)`
Explanation:
Numbers on the slips are 1, 2, 3, 4 and 5.
Odd numbers = 1, 3, 5
Number of slips bears an odd number = 3
Probability that the slip bears an odd number
= `"Number of slips bear an odd number"/"Total number of slips"`
= `3/5`
APPEARS IN
संबंधित प्रश्न
There are 6 marbles in a box with numbers from 1 to 6 marked on each of them.
What is the probability of drawing a marble with number 5?
In a simultaneou throw of a pair of dice, find the probability of getting:
a doublet of odd numbers
A card is drawn at random from a pack of 52 cards. Find the probability that the card drawn is:
a black king
A card is drawn at random from a pack of 52 cards. Find the probability that the card drawn is:
other than an ace
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?
If you have a spinning wheel with 3-green sectors, 1-blue sector and 1-red sector. What is the probability of getting a green sector? Is it the maximum?
In a simultaneous throw of a pair of dice, find the probability of getting:
a number other than 5 on any dice.
What is the probability of choosing a vowel from the alphabets?
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)?
