Question

A number is chosen at random from 1 to 50. Find the probability of not selecting a multiple of 2.

Answer 1

Lets look at the number of numbers between 1 and 50 which is not a multiple of 2.  Its 1, 3, 5 ........... 47, 49.

That is 25 numbers.

So the required probability is 25/50 = 1/2 Answer