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Virtual Gate Test Series: Discrete Mathematics  Set Theory & Algebra  Functions
0
votes
37
views
discretemathematics
settheory&algebra
functions
virtualgatetestseries
asked
Sep 28, 2018
in
Set Theory & Algebra
by
jatinkumar
(
307
points)
edited
Apr 2
by
Lakshman Patel RJIT

37
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Virtual Gate Test Series: Discrete Mathematics  Set Theory & Algebra
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Virtual Gate Test Series: Discrete Mathematics  Set Theory & Algebra  Groups
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Zeal Test Series 2019: Set Theory & Algebra  Functions
I think only d) is correct
asked
Dec 22, 2018
in
Set Theory & Algebra
by
Prince Sindhiya
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Ace Test Series: Set Theory & Algebra  Functions
I thought answer would be (C). Because, inner 'f' is outputting values 8, 9, 3, 1, 2. So, outer 'f' should take these values for final output. But as these values are not in its domain [S], so that should be undefined.. Right?
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Jan 24, 2016
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Tushar Shinde
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176
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MadeEasy Test Series: Set Theory & Algebra  Functions
Let f: A → B and g: B → C denote two functions. Consider the following two statements: S1 : If both f and g are injections then the composition function gof : A → C is an injection. S2 : If the function gof : A → C is surjection ... is a surjection. Which of the above statements are valid? a) S1 only b) S2 only c) S1 and S2 d) None of these
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Jan 15, 2016
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Sandeep Singh
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Zeal Test Series 2019: Set Theory & Algebra  Functions
Let f : A → B be function, where A = {1,2,3,4,5,6} and B = {1,2,3,4,5}. If f(1) = 4 then how many surjective (onto) functions are possible ?
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Nov 11, 2018
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Prince Sindhiya
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Virtual Gate Test Series: Discrete Mathematics  Graph Theory
Let $G$ be a graph on $n$ vertices with $4n16$ edges.Consider the following: 1. There is a vertex of degree smaller than $8$ in $G.$ 2. There is a vertex such that there are less than $16$ vertices at a distance exactly $2$ from it. Which of the following is TRUE: 1 only 2 only Both 1 and 2 Neither 1 nor 2
asked
Jan 9
in
Graph Theory
by
pps121
Active
(
1.5k
points)

94
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graphtheory
virtualgatetestseries
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