A bag contains 20kg of rice and another bag contains 60 kg of wheat. Find the ratio of the amount of rice to that of wheat ?

A bag contains 4 white and 3 black balls. Another bag contains 5 white and 2 black balls. A pair of dice is rolled. If the sum on the dice is 10, 1^(st) bag is selected. Otherwise 2^(nd) bag is selected. Find the probability of drawing white ball if one ball is drawn from the selected bag at random.

A bag contains 2 white and 3 black balls and another bag contains 4 white and 2 black balls. One bag is selected at random and a ball is drawn from it. Find the probability that the colour of the ball is white.

A bag contains 5 red , 3 black ball, and another bag contains 4 red and 5 black balls. One of the bags is chosen at random and a draw of two balls is made from it . The chance that one is red and other is black is

A bag contains 4 white and 2 black balls. Another bag contains 3 white and 5 black balls. If one ball is drawn from each bag, the probability that both are white

A bag P contains 3 blue and 5 red balls. Another bag Q contains 4 blue and 6 red balls. A ball is drawn at random from one of the bags and is found to be red. The probability that it is from bag Q is

Weight of Abraham is 20kg and his father's weight is 60 kg. Find the ratio weight of Abraham and his father. Express it in the simplest form.

A bag A contains 2 white and 3 red balls and a bag B contains 4 white 5 red balls One ball is drawn at random from one of the bags and is found to be red. The probability that it was drawn from bag B is

One bag A contains 5 white and 3 black balls. Another bag B contains 6 white and 2 black balls. A card is drawn from pack of cards. If it is club card, a ball is drawn from bag A. If it is red card a ball is drawn from bag B. Otherwise he kept quiet. The probability of getting white ball is