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
In a simultaneous throw of a pair of dice, find the probability of getting:
8 as the sum
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:
either a black card or 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 card is drawn at random from a pack of 52 cards. Find the probability that the card drawn is:
a queen
A bag contains 6 red, 8 black and 4 white balls. A ball is drawn at random. What is the probability that ball drawn is not black?
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 or white
If a die is thrown, the probability of getting a number greater than 6 is 1.
What is the probability of the sun setting tomorrow?
Classify the following events:
Getting head when a coin is tossed.
