A box contains 3 red and 5 blue balls. Two balls are drawn one by one at as time at random without replacement. Find the probability of getting 1 red and 1 blue ball.

A box contains 3 red and 4 blue balls. Two balls are drawn one by one without replacement. Find the probability of getting both balls red.

An urn contains 7 red and 4 blue balls. Two balls redrawn at random with replacement. Find the probability of getting 2 red balls 2 blue balls one red and one blue ball.

An urn contains 7 red and 4 blue balls. Two balls redrawn at random with replacement. Find the probability of getting 2 red balls 2 blue balls one red and one blue ball.

An urn contains 7 red and 4 blue balls. Two balls are drawn at random with replacement. Find the probability of getting one red and one blue ball.

An urn contains 6 red and 5 blue balls. Two balls are drawn at random with replacement. Find the probability of getting (i) 2 red balls (ii) 2 blue balls (iii) one red and one blue ball

An urn contains 6 red and 5 blue balls.Two balls are drawn at random with replacement. Find the probability of getting (i) 2 red balls (ii) 2 blue balls (iii) one red and one blue ball

A box contains 4 red and 7 blue balls. Two balls are drawn at randon with replacement. Find the probability of getting (i) 2 red balls (ii) 2 balls are of blue colour (iii) one red and one blue ball is selected.

An urn contains 7 red and 4 blue balls.Two balls are drawn at random with replacement. Find the probability of getting (a) 2 red balls (b) 2 blue balls (c) one red and one blue ball.

An urn contains 6 red and 4 blue balls . Two bolls are drawn at random with replacement . Find the probability of getting 2 red balls (ii) 2 blue balls (iii) one red and one blue ball .