Basic concepts of probability

A, B and C try to hit a target. A can hit the target 3 times in 5 shots, B, 2 times in 5 shots and C, 3 times in 4 shots. Find the probability of the following events :
(a) Any two of them hit
(b) At least two of them hit

What is the probability of getting an even number in a single throw of a dice?

Two players, Sita and Geeta, play a Table-tennis match. It is known that the probability of Sita winning the match is 0.59. What is the probability of Geeta winning the match ?

Two players, Sangeeta and Reshma play a tennis match. It is known that the probability of Sangeeta winning the match is 0.62. What is the probability of Reshma winning the match ?

Write short note on Probability Theory.