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:

The probability that a card drawn from a pack of 52 cards will be a spade or a queen, is

What is the probability of getting a sum 6 from two throws of a dice ?

If A and B are mutually exclusive events, then following probability of the events are given below:

(A) P(A) =0.4, P(B) =0.4 and P(AUB)=0.8

(B) P(A) =0.3, P(B) =0.6 and P(AUB)=0.9

(C) P(A) =0.3, P(B) =0.3 and P(AUB)=0.6

(D) P(A) =0.1, P(B) =0.1 and P(AUB)=0.2

which of the following options is correct?

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 $\frac{1}{11}$.

(B) The probability that one ball is red, and one ball is blue is $\frac{10}{33}$.

(C) The probability that both balls are blue is $\frac{5}{33}$.

(D) The probability that both balls are green is $\frac{5}{11}$.

Choose the correct answer from the options given below:

If three unbiased coins are tossed simultaneously, then the probability of exactly two heads is:

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