Advertisements
Advertisements
प्रश्न
A glass jar contains 6 red, 5 green, 4 blue and 5 yellow marbles of same size. Hari takes out a marble from the jar at random. What is the probability that the chosen marble is of red colour?
पर्याय
`7/10`
`3/10`
`4/5`
`2/5`
Advertisements
उत्तर
`bb(3/10)`
Explanation:
As, jar contains 6 red, 5 green, 4 blue and 5 yellow marbles of same size.
Then, probability that the chosen marble is of red colour
= `"Number of red marbles"/"Total number of marbles"`
= `6/(6 + 5 + 4 + 5)`
= `6/20`
= `3/10`
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 2?
In a simultaneous throw of a pair of dice, find the probability of getting:
a doublet of prime number
In a simultaneous throw of a pair of dice, find the probability of getting:
a number other than 5 on any dice.
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:
a ten
A bag contains 4 red, 5 black and 6 white balls. A ball is drawn from the bag at random. Find the probability that the ball drawn is:
red
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
red
What is the probability of the sun setting tomorrow?
The letters written on paper slips of the word MEDIAN are put in a bag. If one slip is drawn randomly, what is the probability that it bears the letter D?
Classify the following events:
Getting a number less than 1 on throwing a die.
