The unit digit of (316)34n + 1 is :

The unit digit of (316)34n, depends on the power of 6. See the pattern, 62 = 36 63 = 216 64 = 1296 Any power of 6 will give unit digit 6. So The unit digit of (316)34n always 6. So, unit digit of (316)34n + 1 will be 7

Home

Competitive Exams MCQs

Aptitude English Verbal Reasoning Non Verbal Reasoning General Knowledge(GK) General Science(GS) Data Interpretation(DI) Banking Awareness Current Affairs

Computer Fundatmental MCQs

Computer Fundamentals Microsoft Word Microsoft Excel MS Power Point Tally Operating System Python AI(Artificial Intelligence)

Engineering Subjects MCQs

Computer Science Electronics & Communication Mechanical Engineering Civil Engineering Electrical Engineering

More Engineering MCQs

Chemical Engineering Automobile Engineering Biotechnology Mining Engineering Geological Engineering Metallurgical Engineering

Engineering Core

Engineering Mathematics Engineering Physics Engineering Chemistry

Computer Fundamentals MCQs

Computer Fundamentals Microsoft Word Microsoft Excel MS Power Point Tally Operating System Networking Database SQL MySQL

Programming MCQs

C Programming C++ Programming Java Python PHP JavaScript

Advanced Programming MCQs

Artificial Intelligence Machine Learning Data Science Cloud Computing Hadoop IoT

Graduation & PG

Commerce Management Law Agriculture Sociology Psychology Home Science Mass Communication Political Science Psychology

Resources

Current Affairs Interview Blog

Exam Categories

SSC Exams Railway Exams All Exams

SSC Exams

SSC CGL SSC CHSL SSC MTS SSC CPO SSC GD SSC JHT SSC Selection Post SSC Stenographer SSC JE

Railway Exams

RRB ALP RRB Technician RRB Section Controller RRB JE RRB Paramedical RRB Group D

Popular Exams

SSC CGL SSC CHSL SSC MTS RRB NTPC (Graduate) RRB Group D RRB ALP RRB Technician RRB Section Controller

This question belongs to Arithmetic Ability Number System

Number System

?

The unit digit of (316)^3⁴ⁿ + 1 is :

A) 4 B) 5 C) 1 D) 7

Answer & Solution

Correct Answer: Option D

The unit digit of (316)^3⁴ⁿ, depends on the power of 6.
See the pattern, 6² = 36
6³ = 216
6⁴ = 1296
Any power of 6 will give unit digit 6. So
The unit digit of (316)^3⁴ⁿ always 6.
So, unit digit of (316)^3⁴ⁿ + 1 will be 7

Question posted by Examveda

Community

Join the Discussion

Join the discussion

Login to post a comment or share your explanation.

No comments yet Be the first to discuss this question.

Keep Learning