Learn Probability in One Shot

Five shots are fired at a target.If each shot has a probability 0.6 of hitting the target,what is probability that the target will at least once?

The probability that a marksman will hit a target is given as (1)/(5) . Then, the probabiltiy that atleast one hit in 10 shots is

Anil can kill a bird once in 3 shots. On the assumption that he fires 3 shots, find the probability that the bird is killed.

Atul can hit a target 3 times in 6 shots, Bhola can hit the target 2 times in 6 shots and Chandra can hit the 4 times in 4 shots. What is the probability that at least 2 shots (out of 1 shot taken by each one of them) hit the target ?