One number card is choosen randomly from the number cards 1 to 25. Find the probability that it is divisible by 3 or 11.

IF a number ' x' choosen at random from the numbers -2 ,-1,0,1,2 . What is the probability that x^2 lt 3 ?

If three distinct numbers are chosen randomly from the first 100 natural numbers , then the probability that all three of them are divisible by 2 and 3 is :

A bag has cards numbered 2 to 90. a card is drawn at random from the bag. Find the probability that it bears (i) a two-digit number (ii) a number which is a perfect square.

A box contains 90 discs which are numbered from 1 to 90. If one disc is drawn at random from the box, find the probability that it bears a number divisible by 5.

A card is drawn at random from a pack of cards: (b) Find the probability of this being not an ace.

A card is drawn at random from a box containing 21 cards numbered 1 to 21. Find the probability that the card drawn is a) Prime number b) Divisible by 3.

A box has 100 red cards, 200 yellow cards, and 50 blue cards. If a card is drawn at random from the box, find the probability that it is (i) a blue card (ii) not a yellow card (iii) neither a yellow nor a blue card.

Three numbers are chosen at random without replacement from {1, 2, 3, …, 10}. Find the probability that the smallest of the chosen numbers is 3, or the greatest one is 7.

Seventeen cards number 1,2,3, . . .17 are put in a box and mixed thoroughly. A card is removed at random from the box. Find the probability that the number on the card is prime.

One card is drawn from a well - shuffied deck of 52 cards. Find the probability of getting a spade