If four dice are thrown together, then what is the probability that the sum of the numbers appearing on them is 25 ?
0
1/2
1
1/1296
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There are 6 letters for 3 envelopes. In how many different ways can the envelopes be filled?
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2
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Two cards are drawn together from a pack of 52 cards. The probability that one is a spade and one is a heart, is
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3
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How many numbers can be formed from 1, 2, 3, 4, 5 (without repetition), when the digit at the unit’s place must be greater than that in the ten’s place?
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4
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5
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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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7
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A committee of 8 members is to be selected from a group of 12 male and 10 female members. In how many ways the committee is selected such that at most two and at least one male member are there in the committee?
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8
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9
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How many integers between 1000 and 10000 have no digits other than 4, 5, or 6?
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10
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