Class XII A bag contains 4 white, 5 red and 6 blue balls. Three balls are drawn at random from the bag. The probability that all of them are red, is: . 1 22 3 22 2 91 2 77 In a class, there are 15 boys and 10 girls. Three students are selected at random. The probability that 1 girl and 2 boys are selected, is: 21 46 25 117 . 1 50 3 25 The mean of the numbers obtained on throwing a die having written 1 on three faces, 2 on two faces and 5 on one face is 5 4 2 1 One card is drawn at random from a pack of 52 cards. What is the probability that the card drawn is a face card (Jack, Queen and King only)? . 1 13 3 13 1 4 9 52 Two cards are drawn together from a pack of 52 cards. The probability that one is a spade and one is a heart, is: 3 20 29 34 47 100 13 102 Do you really want to submit this quiz? Cancel Submit Quiz