1
GATE CSE 1998
MCQ (Single Correct Answer)
+1
-0.3
The number of functions from an $$m$$ element set to an $$n$$ element set is
A
$$m + n$$
B
$${m^n}$$
C
$${n^m}$$
D
$$m * n$$
2
GATE CSE 1997
MCQ (Single Correct Answer)
+1
-0.3
The number of equivalence relations on the set $$\left\{ {1,2,3,4} \right\}$$ is
A
$$15$$
B
$$16$$
C
$$24$$
D
$$4$$
3
GATE CSE 1996
MCQ (Single Correct Answer)
+1
-0.3
Let $$X$$ $$X = \left\{ {2,3,6,12,24} \right\}$$. Let $$ \le $$ the partial order defined by $$x \le y$$ if $$x$$ divides $$y$$. The number of edges in the Hasse diagram of $$\left( {X, \le } \right)$$ is
A
$$3$$
B
$$4$$
C
$$9$$
D
None of the above
4
GATE CSE 1996
MCQ (Single Correct Answer)
+1
-0.3
Suppose $$X$$ and $$Y$$ are sets and $$\left| X \right|$$ and $$\left| Y \right|$$ are their respective cardinalities. It is given that there are exactly 97 functions from $$X$$ to $$Y$$. From this one can conclude that
A
$$\left| X \right| = 1,\,\,\,\,\,\,\,\,\,\left| Y \right| = 97$$
B
$$\left| X \right| = 97,\,\,\,\,\,\,\,\,\,\left| Y \right| = 1$$
C
$$\left| X \right| = 97,\,\,\,\,\,\,\,\,\,\left| Y \right| = 97$$
D
None of the above
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