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Discrete Maths - Sets

Avatto > > GATE COMPUTER SCIENCE > > Practice Questions > > Engineering Maths > > Discrete Maths > > Sets

106. If set A has n elements, then number of functions that can be defined from A into A is

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107. If f : Z → Z be defined as f(x) = x2  , x ∈ Z, then  function f is

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108. 'Subset' relation on a set of sets is

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109. The correspondence f : N → N is such that

f(x) = y and for x= p1e1, p2e2,...pkek where pi are distinct primes and integers ei>1, if y = ei + e2 +...+ek, then

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110.  If P(A) be the collection of all subsets of 
A = {a, b, c} and R be a relation defined as "x is disjoint from y" over P(A), then number of elements in R is

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