The value of 75P2
5450
5555
5550
5656
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1
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What is the probability of getting at least one six in a single throw of three unbiased dice?s
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2
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Find the probability that a leap year selected at random will contain 53 Sundays
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3
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In a simultaneous throw of two dice, what is the probability of getting a total of 7?
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4
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A, B, C, D and E sit on five chairs all of which are facing north. C will sit only on the leftmost chair and B will not sit anywhere to the left of A. In how many ways they can be seated?
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5
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The students in a class are seated, according to their marks in the previous examination. Once, it so happens that four of the students got equal marks and therefore the same rank. To decide their seating arrangement, the teacher wants to write down all possible arrangements one in each of separate bits of paper in order to choose one of these by lots. How many bits of paper are required?
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6
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In how many ways the letters of the word “UNDERDOG” can be arranged such that the first and last letters are same and no two vowels are together?
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7
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If A, B and C are mutually exclusive and exhaustive events of a random experiment such that P(B)=3/2P(A) and P(C)=1/2P(B), then P(A∪C)=
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8
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In how many ways can a cricketer can score 200 runs with fours and sixes only?
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9
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What is the sum of all 4 digit numbers that can be formed by the digits 1, 2, 3, 4 each exactly once
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10
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In how many ways can 10 people line up at a ticket window of a railway station?
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