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Practice Probability Questions and Answers

What is the probability that Wye will speak truth for a particular question asked?
Axe speaks truth only when Wye does not speak truth, then what is the probability that Zed does not speak truth on a question?
What is the probability that the cards drawn contains 1 red card, 1 purple card and 1 yellow card?
What is the probability that the cards drawn contains exactly 2 purple card?
Two hats are picked at random, what is the probability that one is blue and one is yellow?
Two hats are picked at random, what is the probability that all hats are of green colour?
If a coin is tossed 10 times then what is the probability of getting three heads?
Out of three girls and five boys, five children are to be randomly selected for a dance programme. What is the probability that all the selected children a...
A coin is tossed successively three times. Find the probability of getting exactly one tail or two tails?
A card is chosen at random from a standard deck of 52 playing cards, without replacing it, a second card is chosen. What is the probability that firs...
Coupons numbered 1 to 10 are shuffled and one is drawn what is the probability that it bears an odd number which is also a multiple of 3?
One five letter word is to be formed taking all letters – U, Z, M, O and Q. What is the probability that this is word formed will contain all vowels ...
A box contains 6 blue shirts, 7 yellow shirts and 9 pink shirts. In how many ways can 4 shirts be drawn from the box, if at least one blue shirt, one yello...
Tokens numbered 1 to 350 are in a bag. What is the probability that the Token drawn has a number which is a multiple of 6 or 7?
A box contains 6 Brown and 8 Blue caps. There is another box which contains 8 Brown and 7 Blue caps. One cap is to drawn from either of the two boxes. What...
What is the probability that a number selected from 1,2,3.......................68,69,70, is perfect square or a perfect cube?
Two cards are drawn together from a pack of 52 cards. The probability that one is a club and one is a diamond?
In a box there are 8 red, 7 blue, and 6 green balls. One ball is picked up randomly. What is the probability that it is neither red nor green?
Two cards are drawn at random from a pack of 52 cards. What is the probability that either both are black or both are queens?
What is the probability that four A’s come consecutively in the word ‘AMALGAMATION’
Two schools, A and B participate in a Quiz competition. The probability of A’s winning is 3/7 and the probability of B’s winning is 3/5. What i...
A letter is taken out at random from ‘CHACHAKE’ and another is taken out from ‘PATAKHE’. The probability that they are the same letter is ...
One bag contains 5 yellow hats and 4pink hats. Another bag contains 3 yellow hats and 7pink hats. If one hat is drawn from each bag, what is the probabilit...
What is the probability that a number selected from 1,2,3.......................68,69,70, is perfect square or a perfect cube?
A basket contains 3 pink, 4 blue and 5 yellow wools. If three wools are picked at random, what is the probability that either all are blue or either all ar...
If the letters of the word PARAM are arranged at random, what is the probability that all vowels will come together?
If a coin is tossed repeatedly and the head appears for the first 94 times then what is the probability that the tail appears on the 95th toss?
A box contains 7 blue and 7 green balls. The probability of drawing three balls of the same colour is
If a coin is tossed 10 times then what is the probability of getting three heads?
Tokens numbered 1 to 350 are in a bag. What is the probability that the Token drawn has a number which is a multiple of 6 or 7?
A basket contains 3 yellow, 5 purple and 3 red flowers. If 3 flowers are drawn at random, what is the probability that at least two are of same colour?
A box contains 5 red, 6 green and 3 yellow balls. 2 balls are drawn at random. What is the probability that they are not of the same colour?
If the letter of the word Apples is arranged at random, what is the probability that all the vowels comes together?
There are 5 Red caps, 3 Green caps and 2 Blue caps in a box. 4 caps are chosen at random. What is the probability of their being 2 Red and 2 Blue caps?
Two hats are picked at random, what is the probability that one is blue and one is yellow?
Two hats are picked at random, what is the probability that all hats are of green colour?
One five letter word is to be formed taking all letters – U, Z, M, O and Q. What is the probability that this formed word will contain all vowels togeth...
5 coins are tossed together. What is the probability of getting exactly 3 tails?
In a lottery there are 5 prizes and 50 blanks. A lottery is drawn at random. What is the probability of getting the prize? ...
Two cards are drawn from a pack of 52 cards. The probability that 1 is Ace and 1 is Queen is?

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