1
GATE CSE 2022
MCQ (More than One Correct Answer)
+1
-0

Which of the following statements is/are TRUE for a group G?

A
If for all x, y $$\in$$ G, (xy)2 = x2y2, then G is commutative.
B
If for all X $$\in$$ G, x2 = 1, then G is commutative. Here, 1 is the identity element of G.
C
If the order of G is 2, then G is commutative.
D
If G is commutative, then a subgroup of G need not be commutative.
2
GATE CSE 2022
Numerical
+1
-0

Consider a simple undirected graph of 10 vertices. If the graph is disconnected, then the maximum number of edges it can have is __________.

Your input ____
3
GATE CSE 2021 Set 1
Numerical
+1
-0
In an undirected connected planar graph G, there are eight vertices and five faces. The number of edges in G is ______
Your input ____
4
GATE CSE 2019
MCQ (Single Correct Answer)
+1
-0.33
Let G be an undirected complete graph on n vertices, where n > 2. Then, the number of different Hamiltonian cycles in G is equal to
A
n!
B
1
C
(n - 1)!
D
$${{\left( {n - 1} \right)!} \over 2}$$
GATE CSE Subjects
Software Engineering
Web Technologies
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