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  • Question 1
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    A relation on the set  , where Z is the set of integers is defined by . Then the number of elements in the power set of R is _____.

  • Question 2
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    If n ≥ 2 then the number of surjections that can be defined from {1,2,3....n} into {1,2} is

  • Question 3
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  • Question 4
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  • Question 5
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  • Question 6
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  • Question 7
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    If the position vectors of the vertices of a ΔABC are  and  then the length of the altitude of ΔABC drawn from A is

  • Question 8
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    Which of the following Boolean expression is a tautology?

  • Question 9
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    The number of four-digit numbers formed by using the digits 0,2,4,5 and which are not divisible by 5 is _______.

  • Question 10
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