1
GATE CSE 2024 Set 1
MCQ (More than One Correct Answer)
+2
-0

The chromatic number of a graph is the minimum number of colours used in a proper colouring of the graph. Let $G$ be any graph with $n$ vertices and chromatic number $k$. Which of the following statements is/are always TRUE?

A

$G$ contains a complete subgraph with $k$ vertices

B

$G$ contains an independent set of size at least $n/k$

C

$G$ contains at least $k(k-1)/2$ edges

D

$G$ contains a vertex of degree at least $k$

2
GATE CSE 2024 Set 1
MCQ (More than One Correct Answer)
+2
-0
Consider the operators $\diamond$ and $\square$ defined by $a \diamond b=a+2 b, a \square b=a b$, for positive integers. Which of the following statements is/are TRUE?
A
Operator $\diamond$ obeys the associative law
B
Operator $\square$ obeys the associative law
C
Operator $\diamond$ over the operator $\square$ obeys the distributive law
D
Operator $\square$ over the operator $\diamond$ obeys the distributive law
3
GATE CSE 2024 Set 1
Numerical
+2
-0

The number of edges present in the forest generated by the DFS traversal of an undirected graph G with 100 vertices is 40. The number of connected components in G is ________

Your input ____
4
GATE CSE 2024 Set 1
Numerical
+2
-0

A bag contains 10 red balls and 15 blue balls. Two balls are drawn randomly without replacement. Given that the first ball drawn is red, the probability (rounded off to 3 decimal places) that both balls drawn are red is ________

Your input ____
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