Find the total number of selections of at least one red ball from a bag containing 4 red balls and 5 black balls, balls of the same colour being identical.

Find the total number of selections of at least one red ball from 4 red balls and 3 green balls, if (a) the balls of the same colour are different, (b) the balls of the same colour are identical.

Find the total number of selections of at least one red ball from 4 red balls and 3green balls, if (a) the balls of the same colour are different, (b) the balls of the same colour are identical.

There will be only 24 selections contaninig atleast one r ed ball out of a bag contaning 4 red and 5 black balls. It is being given that the balls of the same colour are identical,

There are 5 red and 5 black balls in first bag and 6 red and 4 black balls is second bag. One -one ball is drawn from each bag. Find the probability that: (i)both balls are of the same colour, (ii) one ball is red and other is black.

Let bag A contains 3 red balls and 9 black balls. Bag B contains 8 red balls and 4 black balls. Bag C contains 10 red balls and 2 black balls. A card is drawn from a well shuffled pack of 52 playing cards. If a face card is drawn, a ball is selected from Bag A. If an ace is drawn, a ball is selected from Bag B. If any other card is drawn , a ball is selected from Bag C. The probability that a red ball is selected is

One bag contains 3 red and 5 black balls. Another bag contains 6 red and 4 black balls. A ball is transferred from first bag to the second bag and then a ball is drawn from the second bag. Find the probability that the ball drawn is red.

A bag contains 6 red and 8 black balls and another bag contains 8 red and 6 black balls.A ball is drawn from the first bag and without noticing its colour is put in the second bag.A ball is drawn from the second bag.Find the probability that the ball drawn is red in colour.

A bag contains 6 red and 8 black balls and another bag contains 8 red and 6 black balls. A ball is drawn from the first bag and without noticing its colour is put in the second bag. A ball is drawn from the second bag. Find the probability that the ball drawn is red in colour.