Three unbiased coins are tossed. What is the probability of getting at least 2 tails?

Two dice are thrown simultaneously. Find the probability of getting a multiple of 2 on one dice and multiple of 3 on the…

The odds against an event are 5 : 3 and the odds in favour of another independent event are 7 : 5. Find the probability …

A pot has 2 white, 6 black, 4 grey and 8 green balls. If one ball is picked randomly from the pot, what is the probabili…

Suresh keeps all his socks in a single drawer. He has 24 pairs of white socks and 18 pairs of grey socks. Suresh picks 3…

A bag contains 7 green and 5 black balls. Three balls are drawn one after the other. The probability of all three balls …

In which distribution successive trials are without replacement

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