A box contains 3 blue, 2 white, and 5 red balls. If a ball is drawn at random from the box, what is the probability that it will be red?

Two persons A and B appear in an interview for two vacancies. If the probabilities of their selections are 1/4 and 1/6 respectively, then the probability that none of them is selected shall be:

A bag contains 4 red, 5 blue and 3 green balls. If two balls are drawn at random from the bag, then which of the following statements are correct?

(A) The probability that both balls are red is 1/11.

(B) The probability that one ball is red, and one ball is blue is 10/33

(C) The probability that both balls are blue is 5/33.

(D) The probability that both balls are green is 5/11.

Choose the correct answer from the options given below:

One card is drawn from a well-shuffled deck of 52 cards. Find the probability that the card be an ace.

In a simultaneous throw of a pair of dice, what is the probability of getting a total more than 8?

A and B are participating in the same contest, the probability of their winning are $\frac{5}{8}$ and $\frac{1}{4}$ respectively. What is the probability that neither of them will win the contest?

An unbiased die is tossed. Find the probability of getting a multiple of 3.