12 cards, numbered 1 to 12 are given. A card in drawn at random. It is known that the number on this card is greater than 6. Find the probability that it is odd.

20 cards whose number are from 1 to 20 are mixed after placing in a box. A card is drawn at random and it is found that the number on the card is greater than 11. Find the probability that the number on the card is an even number.

20 cards whose number are from 1 to 20 are mixed after placing in a box. A card is drawn at random and it is found that the number on the card is greater than 11. Find the probability that the number on the card is an even number.

12 cards numbered 1 to 12 (one number on one card), are placed in a box and mixed up throoughly. Then a card is drawn at random from the box. If it is known that the number on the drawn card is greater than 5. Find the probability that the card bears an odd number.

12cards,numbered 1to 12, are placed in a box,mixed up throughly and then a card is drawn at random from the box.If it is known that the number on the drawn card is more than 3, find the probability that it is an even number.

Twelve cards numbered 1 to 12 are placed in a box, mixed up thoroughly and then a card is drawn at random from the box. If it is known that the number on the drawn card is more than 3, find the probability that it is an even number.

20 cards are numbered from 1 to 20. One card is then drawn at random. What is the probability that the number on the card will be : greater than 12?

20 cards are numbered from 1 to 20. One card is then drawn at random. What is the probability that the number on the card will be : odd?

Suppose 10 cards numbered 1 to 10 are placed in a box and shuffled and one card is drawn at random If A is the event that the number on the card is even, B is the event that the number on the card is more than 3, Find P(A|B)