Question

A pair of dice is thrown simultaneously. Let E denote the event that "The sum of numbers obtained on both dice is at least 9." The number of outcomes in favour of event E is :

A box contains 6 blue, 4 white and 8 red marbles. A marble is drawn at random from this box. Find the probability that the marble so drawn is : (i) white (ii) white or red (iii) not red

Three coins are tossed together. The probability that only one coin shows tail, is :

A card is drawn at random from a well shuffled deck of 52 playing cards. The probability that drawn card shows number '9' is :