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A school has three gates and four staircases from the first floor to the second floor. How many ways does a student have to go from outside the school to his classroom on the second floor?
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A fair die is thrown two times. Find the chance that product of the numbers on the upper face is 12.
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A fair die is thrown two times. Find the chance that sum of the numbers on the upper face is 10.
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A fair die is thrown two times. Find the chance that Sum of the numbers on the upper face is at least 10.
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A fair die is thrown two times. Find the chance that sum of the numbers on the upper face is 4.
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A fair die is thrown two times. Find the chance that the first throw gives an odd number and second throw gives multiple of 3.
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A fair die is thrown two times. Find the chance that both the times die shows same number (doublet).
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Two cards are drawn from a pack of 52 cards. Find the probability that both are black.
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Two cards are drawn from a pack of 52 cards. Find the probability that both are diamonds.
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Two cards are drawn from a pack of 52 cards. Find the probability that both are ace cards.
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Two cards are drawn from a pack of 52 cards. Find the probability that both are face cards.
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Two cards are drawn from a pack of 52 cards. Find the probability that one is spade and other is non-spade.
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Two cards are drawn from a pack of 52 cards. Find the probability that both are from same suit.
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Two cards are drawn from a pack of 52 cards. Find the probability that both are from same denomination.
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Four cards are drawn from a pack of 52 cards. Find the probability that 3 are king and 1 is jack.
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Four cards are drawn from a pack of 52 cards. Find the probability that all the cards are from different suit.
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Four cards are drawn from a pack of 52 cards. Find the probability that at least one heart.
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Four cards are drawn from a pack of 52 cards. Find the probability that all cards are club and one of them a jack.
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A bag contains 15 balls of three different colours: Green, Black and Yellow. A ball is drawn at random from the bag. The probability of green ball is `1/3`. The probability of yellow ball is `1/5`. What is the probability of blackball?
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A bag contains 15 balls of three different colours: Green, Black and Yellow. A ball is drawn at random from the bag. The probability of green ball is `1/3`. The probability of yellow ball is `1/5`. How many balls are green, black, and yellow?
Concept: undefined >> undefined
