In a drawer there are 5 black socks and 3 green socks. Two socks are picked randomly one after the other without replace…

A card is drawn from a pack of 52 cards. The probability of getting a queen of club or a king of heart is-

A box contains 100 balls, numbered from 1 to 100. If three balls are selected at random and with replacement from the bo…

The probability that a number selected at random from the first 50 natural numbers is a composite number is -

Tickets numbered 1 to 20 are mixed up and then a ticket is drawn at random. What is the probability that the ticket draw…

In a box, there are 8 red, 7 blue and 6 green balls. One ball is picked up randomly. What is the probability that it is …

Which of the following is not the property of binomial distribution

Two cards are drawn together from a pack of 52 cards. The probability that one is a spade and one is a heart, is-