An unbiased die is rolled. Find the probability of getting a multiple of 2.

The probability of drawing two aces randomly from a pack of 52 cards is:

A single card is chosen at random from a standard deck of 52 playing cards. The probability of choosing either a Queen or a Spade (but not both) is:

In a deck of lotteries, there are 10 prizes and 25 blanks. A lottery is drawn at random. What is the probability of getting prize?

Two unbiased coins are tossed. The probability of getting at least one head is:

The probability of getting an odd number when you roll a die, is:

Two friends, P and Q, appeared in an interview for two vacancies for the same post. The probability of P's selection is $\frac{1}{3}$ and that of Q's selection is $\frac{2}{7}$. What is the probability that at least one of them will be selected?