If ,, are probabilities of three mutually exclusive events, then
None Of These
Answer :1/2
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1
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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
Solution 
2
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In how many different ways can the letters of the word 'CORPORATION' be arranged so that the vowels always come together?
Solution 
3
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A number lock on a suitcase has 3 wheels each labeled with 10 digits from 0 to 9. If the opening of the lock is a particular sequence of three digits with no repeats, how many such sequences will be possible?
Solution 
4
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A teacher has to choose the maximum different groups of three students from a total of six students. Of these groups, in how many groups there will be included in a particular student?
Solution 
5
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If four dice are thrown together, then what is the probability that the sum of the numbers appearing on them is 25 ?
Solution 
6
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In how many ways can 10 people line up at a ticket window of a railway station?
Solution 
7
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There are 8 orators A, B, C, D, E, F, G, and H. In how many ways can the arrangements be made so that A always comes before B and B always comes before C.
Solution 
8
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A polygon has 44 diagonals. What is the number of its sides?
Solution 
9
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A fair coin is tossed 5 times. What is the probability of getting at least three heads on consecutive tosses?
Solution 
10
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How many 5 digit even numbers with distinct digits can be formed using the digits 1, 2, 5, 5, 4?
Solution 
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