In a simultaneous throw of two dice, what is the probability of getting a total of 7?
1/6
1/4
2/3
3/4
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1
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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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2
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If
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3
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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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4
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Four letters are selected from the word “CAPAME” and are rearranged to form four letter words. How many words can be formed?
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5
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In how many different ways can the letters of the word 'OPTICAL' be arranged so that the vowels always come together?
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6
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In a lottery, there are 10 prizes and 25 blanks. A lottery is drawn at random. What is the probability of getting a prize?
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7
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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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8
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How many 5 digit even numbers with distinct digits can be formed using the digits 1, 2, 5, 5, 4?
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9
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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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10
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A five-letter word is to be formed from a group of 5 vowels and 4 consonants, using at least one vowel and at least one consonant. In how many ways the word having a greater number of consonants than vowels can be formed?
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