Short Answer TypeOut of a pack of 52 playing cards, two black kings and 4 red cards were lost. Find the probability that the card drawn is a :
(i) red card, (ii) king, (iii) black card, (iv) black Jack, (v) black Queen.
Two black kings and two black jacks are removed from a pack of 52 cards. Find the probability of getting
(i) A card of hearts
(ii) A black card
(iii) Either a red nor a king
(iv) Neither an ace nor a king
(v) A jack, queen or a king.
A box contains 12 balls out of which x are black. If one ball is drawn at randone from the box, what is the probability that it will be a black ball.
If 6 more black balls are put in the box, the probability of drawing a black ball is now double of what it was before. Find x
A bag contains 4 blue, 5 yellow and 11 red balls. A ball is drawn at random from the bag. Find the probability of getting (i) a blue or a yellow ball, (ii) a yellow or a red ball,
(iii) a blue or a red ball, (iv) not a blue ball, (v) not a yellow ball.
A bag contains 6 red balls, 8 green balls and some blue balls. A ball is selected from the bag at random. If the probability of selecting a blue ball is double that of a green ball, find the number of blue balls in the bag.
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