Question

Two dice are rolled together. The probability of getting sum of numbers on the two dice as 2, 3 or 5, is :

In a pack of 52 playing cards one card is lost. From the remaining cards, a card is drawn at random. Find the probability that the drawn card is queen of heart, if the lost card is a black card.

Two coins are tossed simultaneously. The probability of getting atleast one head is

If the maximum number of students has obtained 52 marks out of 80, then