A committee of two persons is constituted from two men and two women. What is the probability that the committee will have only women?

A question is given to three students A, B and C whose chances of solving it are $${1 \over 2}$$, $${1 \over 3}$$ and $${1 \over 4}$$ respectively. What is the probability that the question will be solved?

For two dependent events A and B, it is given that P(A) = 0.2 and P(B) = 0.5. If A $$ \subseteq $$ B, then the values of conditional probabilities P(A / B) and P(B / A) are respectively

A card is drawn from a well-shuffled ordinary deck of 52 cards. What is the probability that it is an ace?