Courses
- For Working Professionals
- For Students
- Programming Languages
- Web Development
- Machine Learning and Data Science
  - Complete Data Science Program(Live)
  - Mastering Data Analytics
- New Courses
- School Courses
  - CBSE Class 12 Computer Science
  - School Guide
- All Courses
Tutorials
- DSA
- Data Structures
- Algorithms
- System Design
  - System Design Tutorial
  - Software Design Patterns
- Interview Corner
- Languages
  - C
  - C++
  - Java
  - Python
  - JavaScript
  - PHP
  - C#
  - SQL
  - Scala
  - Perl
  - Go Language
  - Kotlin
- Web Development
  - HTML
  - CSS
  - JavaScript
  - PHP
  - CSS Frameworks
  - JavaScript Frameworks
  - JavaScript Libraries
  - WordPress
  - JSON
- School Learning
  - English Grammar
  - School Programming
  - Mathematics
  - CBSE Syllabus
  - Maths Notes (Class 8-12)
  - Maths Formulas (Class 8 -11)
  - NCERT Solutions
  - RD Sharma Solutions
  - Science Notes
  - Physics Notes (Class 8-12)
  - Chemistry Notes
  - Biology Notes
  - Social Science Syllabus
  - Social Science Notes
    - SS Notes (Class 7-12)
    - CBSE History Notes (Class 7-10)
    - CBSE Geography Notes (Class 7-10)
    - CBSE Civics Notes (Class 7-10)
      - Civics Class 7
      - Civics Class 8
  - Commerce
- ML & Data Science
  - Machine Learning
  - Data Science
- CS Subjects
- GATE
- GFG Sheets
  - Web Dev Cheat Sheets
  - Company-Wise SDE Sheets
  - DSA Sheets
- CS Exams/PSUs
  - ISRO
  - UGC NET
- Student
- UPSC
- SSC CGL
- Banking Exams
Jobs
Practice
Contests

ISRO | ISRO CS 2009 | Question 80

Last Updated : 06 Jun, 2018

If G is a graph with e edges and n vertices, the sum of the degrees of all vertices in G is
(A) e
(B) e/2
(C) e²
(D) 2 e

Answer: (D)

Explanation: Since the given graph is undirected, every edge contributes as twice in sum of degrees. So the sum of degrees is 2e.

Option (D) is correct.

Quiz of this Question
Please comment below if you find anything wrong in the above post

My Personal Notes