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In a test that has 5 true/false questions, no student has got all correct answers and no sequence of answers is repeated. What is the maximum number of students for this to be possible?
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How many four-digit numbers Will not exceed 7432 if they are formed using the digits 2, 3, 4, 7 without repetition?
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How many numbers formed with digits 0, 1, 2, 5, 7, 8 will fall between 13 and 1000 if digits can be repeated?
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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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