Home
Class 12
MATHS
There are two bags, on e of which contai...

There are two bags, on e of which contain s 3 black and 4 white, balls, while the other contains 4 black and 3 whit balls. A fair die is cast, if the face 1 or 3 turns up, a ball is taken from the first bag, and if any other face turns up a ball is chosen from the second bag. Find the probability of choosing a black ball.

A

`(7)/(15)`

B

`(8)/(15)`

C

`(10)/(21)`

D

`(11)/(21)`

Text Solution

Verified by Experts

The correct Answer is:
(d)
Promotional Banner

Topper's Solved these Questions

  • PROBABILITY

    ARIHANT MATHS|Exercise Exercise For Session 4|15 Videos

  • PROBABILITY

    ARIHANT MATHS|Exercise Exercise (Single Option Correct Type Questions)|29 Videos

  • PROBABILITY

    ARIHANT MATHS|Exercise Exercise For Session 2|15 Videos

  • PERMUTATIONS AND COMBINATIONS

    ARIHANT MATHS|Exercise Exercise (Questions Asked In Previous 13 Years Exam)|28 Videos

  • PRODUCT OF VECTORS

    ARIHANT MATHS|Exercise Exercise (Questions Asked In Previous 13 Years Exam)|52 Videos

Similar Questions

Explore conceptually related problems

A bag contains 10 white, 6 black and 4 red balls. Find the probability of getting : a black ball

A bag A contains 5 white and 6 black balls. Another bag B contains 4 white ad 3 black balls. A ball is transferred from the bag A to the bag B and then a balls is taken out of the second bag. Find the probability of this ball being black.

A bag A contains 4 black and 6 red balls and bag B contains 7 black and 3 red balls. A die is thrown. If 1 or 2 appears on it, then bag A is chosen, otherwise bag B is chosen. If two balls are drawn at random from the selected bag, find the probability of one of them being red and the other black.

A bag contains 4 white and 5 black balls. Another bag contains 9 white and 7 black balls. A ball is transferred from the first bag to the second and then a ball is drawn at random from the second bag. Find the probability that the ball drawn is white.

Bag I contains 3 black and 2 white balls, Bag II contains 2 black and 4 white balls. A bag and then a ball is selected at random. Determine the probability of selecting a black ball.

A bag contains 5 black and 3 white balls. Two balls are drawn at random. Find the probability of drawing two black balls.

A bag contains 225 balck balls, 75 red balls and 25 white balls. A ball is drawn at random from the bag. Find the probability of getting a black ball.

Bag A contains 6 red and 4 black balls . One ball is drawn at random from the bag. Find the probability that it was a red ball.