Examsnet
Unconfined exams practice

Home
Exams

Banking Entrance Exams

CUET Exam Papers

Defence Exams

Engineering Exams

Finance Entrance Exams

GATE Exam Practice

Insurance Exams

International Exams

JEE Exams

LAW Entrance Exams

MBA Entrance Exams

MCA Entrance Exams

Medical Entrance Exams

Other Entrance Exams

Police Exams

Public Service Commission (PSC)

RRB Entrance Exams

SSC Exams

State Govt Exams

Subjectwise Practice

Teacher Exams

SET Exams(State Eligibility Test)

UPSC Entrance Exams
Aptitude

Algebra and Higher Mathematics

Arithmetic

Commercial Mathematics

Data Based Mathematics

Geometry and Mensuration

Number System and Numeracy

Problem Solving
Board Exams

Andhra

Bihar

CBSE

Gujarat

Haryana

ICSE

Jammu and Kashmir

Karnataka

Kerala

Madhya Pradesh

Maharashtra

Odisha

Tamil Nadu

Telangana

Uttar Pradesh
English

Competitive English
CBSE

CBSE Question Papers

NCERT Books

NCERT Exemplar Books

NCERT Study Notes

CBSE Study Concepts

CBSE Class 10 Solutions

CBSE Class 12 Solutions

NCERT Text Book Class 11 Solutions

NCERT Text Book Class 12 Solutions

ICSE Class 10 Papers
Certifications

Technical

Cloud Tech Certifications

Security Tech Certifications

Management

IT Infrastructure
More
About
Careers
Contact Us
Our Apps
Privacy

NCERT solutions class 12 28 Chapter 15 Communication System.pdf

Java 8
Microsoft Azure Certification Exams
ITIL 4 Foundation Practice Tests
TOGAF 9 Practice tests
JEE Mains Chapters Wise Previous Papers
JEE Mains Previous Papers
NEET Chapterwise Previous Papers
NEET Previous Papers
UPSC NDA Chapterwise Questions
UPSC CDS Chapters Wise Questions

Popular Entrance Exams

IBPS PO Previous Papers
IBPS PO Mains Previous Papers
IBPS PO Model Papers
IBPS Clerks Model Papers
IBPS Clerks Previous Papers
IBPS Clerk Mains Previous Papers
IBPS RRB Office Assistant Model Papers
IBPS RRB Office Assistant Previous Papers
IBPS RRB Officers Previous Papers
IBPS RRB Officers Scale 1 Model Papers
RBI Model Papers
RBI Grade B Previous Papers
RBI Assistant Previous Papers
SBI PO Model Papers
SBI PO Previous Papers
SBI Junior Associate Model Papers
SBI Clerk Previous Papers
IBPS SO Model Papers

Banking Entrance Exams

CUET UG Previous Papers

CUET Exam Papers

Agniveer Vayu IAF Group X Papers
Agniveer Vayu IAF Group Y Papers
AFCAT Previous Papers
AFCAT Model Papers
Army Group X Exam Model Papers
DRDO MTS Model Papers
Indian Navy Entrance Test(INET)
UPSC CDS Model Papers
UPSC CDS Previous Papers
UPSC CDS Chapters Wise Questions
UPSC NDA Chapterwise Questions
UPSC NDA Model Papers
UPSC NDA Previous Papers

Defence Exams

AP EAMCET Engineering Previous Papers
AP EAPCET Engineering Previous Papers
AMU Engineering Previous Papers
BITSAT Exam Previous Papers
AP and TS EAMCET Engineering Model Papers
Chhattisgarh PET Previous Papers
COMEDK Exam Previous Papers
CUSAT (BTech) Exam Previous Papers
GUJCET Previous Papers
KCET Previous Papers
KEAM Previous Papers
KVPY Exam Previous Papers
MANIPAL Engineering Previous Papers
MHT CET Previous Papers
SRMJEE Previous Papers
TS EAMCET Engineering Previous Papers
UPSEE Model Papers
UPSEE Previous Papers
VITEEE Previous Papers
WBJEE Previous Papers

Engineering Exams

CA CPT Previous Papers
CA CPT Model Papers
ICAI CA Foundation Previous Papers
ICAI CA Foundation Chapters wise Papers

Finance Entrance Exams

GATE Civil Engineering Previous Papers
GATE Computer Science Previous
GATE Electronic & Communications Previous
GATE Electrical Engineering Previous
GATE Mechanical Engineering Previous

GATE Exam Practice

LIC AAO Previous Papers
NIACL Exam Model Papers

Insurance Exams

UK DVSA Car Driving Mock Tests
GMAT Exam Practice Tests
GRE Practice Tests
Oxford Maths Admissions Tests
SAT Practice Tests
TEAS Exam Practice Tests

International Exams

AIEEE Previous Papers
JEE Advanced Model Papers
JEE Advanced Previous Papers
JEE Mains Chapters Wise Previous Papers
JEE Mains Model Papers
JEE Mains Previous Papers

JEE Exams

AILET Previous Papers
BA LLB Banaras University
CLAT Previous Papers
LSAT India Practice Tests

LAW Entrance Exams

CAT Exam Model Papers
CAT Exam Previous Papers
CMAT Exam Previous Papers
IIFT Exam Previous Papers
AP ICET Exam Previous Papers
MAT Exam Previous Papers
SNAP Exam Previous Papers
TS ICET Exam Previous Papers
XAT Exam Previous Papers

MBA Entrance Exams

HCU MCA Exam Previous Papers
ICET Exam Previous Papers
NIMCET Exam Previous Papers
PUNE MCA Exam Previous Papers
TS ICET Exam Previous Papers

MCA Entrance Exams

AIIMS Previous Papers
AIIMS Nursing Exam Papers
AIPMT Previous Papers
AP and TS EAMCET Medical Model Papers
AP EAMCET Medical Previous Papers
Auxiliary Nurse Midwife Exam Previous Papers
B.Sc (Nursing) General Nursing & Midwifery
ESIC Staff Nurse Exam Previous Papers
GPAT Exam Previous Papers
JIPMER Exam Previous Papers
KCET Previous Papers
NEET Chapterwise Previous Papers
NEET Model Papers
NEET Previous Papers
RRB Paramedical Staff Nurse Exam Model Papers
TS EAMCET Medical Previous Papers

Medical Entrance Exams

Driving Tests (India)
Mass Communication and Journalism
NCHMCT JEE Previous Papers Online
NTSE Previous Papers Online
NIFT UG & PG Previous Papers Online
Postal Exams Model Papers
Sainik School Exam Previous Papers

Other Entrance Exams

AP and Telangana Police Chapterwise
AP Police SI Exam Practice Tests
AP Police Constable Practice Tests
Bihar Police Exam Practice Tests
Delhi Police Exam Practice Tests
Delhi Police Head Constable Previous Papers
Delhi Police Exam Previous Papers
Haryana Police Exam Tests
Madhya Pradesh Police Constable Model Papers
Madhya Pradesh Police Constable Previous Papers
Maharashtra Police Constable Previous Papers
Odisha Police Constable and SI Exam Papers
Punjab Police Constable and SI Exam Papers
Rajasthan Police Exam Tests
Rajasthan Police Constable Previous
SSC GD Constable Previous Papers
Tamilnadu Police and SI Exam Papers
Telangana Police Chapterwise Questions
Telangana Police Constable Model Papers
Telangana Police Constable Previous Papers
Telangana Police SI Practice Tests
Uttar Pradesh Police Constable Model Papers
Uttar Pradesh Police Constable Previous Papers
Uttar Pradesh Police SI Exam Previous Papers
Uttar Pradesh Police SI Exam Model Papers
West Bengal Police SI and Constable Papers

Police Exams

APPSC Previous Papers
BPSC CCE Exam Previous Papers
Chhattisgarh State PSC Previous Papers
Jharkand PSC Exam Previous Papers
Kerala PSC Exam Practice Papers
Kerala PSC VEO Exam Practice Papers
Maharastra PSC Exam Practice
MPPSC Exam Previous Papers
OPSC Exam Previous Papers
OPSC OAS Exam Previous Papers
Tamil Nadu PSC Exam Practice
Telangana PSC Exam Practice
UPPSC Exam Previous Papers
WBPSC Exam Previous Papers

Public Service Commission (PSC)

RRB ALP Model Papers
RRB ALP Previous Papers
RRB Group D Previous Papers
RRB Group D Model Papers
RRB Junior Engineer Stage 1 Model Papers
RRB Junior Engineer Stage 1 Previous Papers
RRB NTPC Previous Papers
RRB NTPC Model Papers
RRB Pharmacist Papers
RRB RPF SI Model Papers
RRB RPF SI Previous Papers
RRB RPF Constable Previous Papers
RRB Paramedical Staff Nurse Exam Model Papers

RRB Entrance Exams

SSC GD Constable Previous Papers
SSC JE Electrical Previous Papers
SSC JE Civil Previous Papers
SSC JE Mechanical Previous Papers
SSC CGL Model Papers
SSC CGL Previous Papers
SSC CGL Tier 2 Previous Papers
SSC CHSL Model Papers
SSC CHSL Previous Papers
SSC CPO SI and ASI Previous Papers
SSC CPO SI and ASI Model Papers
SSC Multi Tasking Model Papers
SSC Multi Tasking Previous Papers
SSC Steno Grade C and D Prev Papers

SSC Exams

AP Grama Sachivalayam Model Papers
APPSC Group-III Panchayat Secretary
Chhattisgarh Patwari Exam Previous Papers
Haryana Sachiv Exam Previous Papers
MP Patwari Exam Previous Papers
Punjab Patwari Exam Previous Papers

State Govt Exams

Competitive English Practice

Subjectwise Practice

AP TET Exam Practice Tests
AP TET Exam Previous Papers
CTET 1 Class I-V Previous Papers
CTET 2 Maths Science Prev Papers
CTET 2 Social Science Prev Papers
CGTET Exam Prev Papers
REET Level 1 Previous Papers
REET Level 2 Math Science Prev Papers
REET Level 2 Social Science Prev Papers
TN TET Exam Practice Tests
TN TET Chapterwise Practice Tests
Telangana TET Exam Practice Tests
Tripura TET Exam Prev Papers
UTET Exam Prev Papers
UGC NET Previous Papers
UPTET Paper 1 (i-v) Previous Papers
UPTET Math and Science Previous Papers
UPTET Social Science Previous Papers

Teacher Exams

AP SET Exam Previous Papers
Gujarat SET Exam Previous Papers
KSET Exam Previous Papers
Kerala SET Exam Previous Papers
Maharashtra Exam Previous Papers
Telangana SET Exam Previous Papers

SET Exams(State Eligibility Test)

UPSC Civil Services Previous Papers
UPSC Civil Services Model Papers
UPSC CDS Chapters Wise Questions
UPSC CDS Model Papers
UPSC CDS Previous Papers
UPSC CAPF (AC) Previous Papers
UPSC CISF AC Exam Previous Papers
UPSC EPFO Exam Previous Papers
UPSC NDA Chapterwise Questions
UPSC NDA Model Papers
UPSC NDA Previous Papers

UPSC Entrance Exams

Algebra and Applications Practice Tests
Heights and Distances Practice Tests
Sets Practice Tests
Trigonometry Practice Tests
Permutations Practice Tests
Probability Practice Tests
Statistics Practice Tests
Progression Practice Tests

Algebra and Higher Mathematics

Profit and Loss Practice Tests
Ratio and Proportion Practice Tests
Mixtures and Allegations Practice Tests
Partnership Practice Tests

Arithmetic

Compound Interest Practice Tests
True and Banker's Discount Practice Tests
Simple Interest Practice Tests
Stocks and Shares Practice Tests

Commercial Mathematics

Data Analysis Practice Tests
Data Interpretation Practice Tests
Data Sufficiency Practice Tests
Quantitative Comparsion Practice Tests

Data Based Mathematics

Geometry Practice Tests
Area and Perimeter Practice Tests
Mensuration Practice Tests
Volumes Practice Tests

Geometry and Mensuration

Number System Practice Tests
Simplification Practice Tests
LCM and HCF Practice Tests
Decimals and Fractions Practice Tests
Powers and Roots Practice Tests
Average Practice Tests
Percentage Practice Tests
Series and Odd Man out Practice Tests
Logarithms Practice Tests
Surds and Indices Practice Tests
Problems based on Numbers Practice Tests

Number System and Numeracy

Chain Rule Practice Tests
Time and Work Practice Tests
Time and Distance Practice Tests
Pipes and Cisterns Practice Tests
Trains Boats and Streams Practice Tests
Races and Games Practice Tests
Clocks and Calendars Practice Tests
Problems on Ages Practice Tests

Problem Solving

AP State board Class 10 Papers
AP State board Class 11 Papers
AP State board Class 12 Papers

Andhra

Bihar State board Class 10 Papers
Bihar State board Class 12 Papers

Bihar

CBSE board Class 10 Papers
CBSE board Class 12 Papers

CBSE

Gujarat State board Class 10 Papers
Gujarat State board Class 12 Papers

Gujarat

Haryana State board Class 10 Papers
Haryana State board Class 11 Papers
Haryana State board Class 12 Papers

Haryana

ICSE board Class 10 Papers
ICSE board Class 12 Papers

ICSE

Jammu and Kashmir State board Class 10 Papers
Jammu and Kashmir State board Class 11 Papers
Jammu and Kashmir State board Class 12 Papers

Jammu and Kashmir

Karnataka State board Class 10 Papers
Karnataka State board Class 12 Papers

Karnataka

Kerala State board Class 10 Papers
Kerala State board Class 11 Papers
Kerala State board Class 12 Papers

Kerala

Madhya Pradesh State board Class 10 Papers
Madhya Pradesh State board Class 11 Papers
Madhya Pradesh State board Class 12 Papers

Madhya Pradesh

Maharashtra State board Class 10 Papers
Maharashtra State board Class 11 Papers
Maharashtra State board Class 12 Papers

Maharashtra

Odisha State board Class 10 Papers
Odisha State board Class 12 Papers

Odisha

Tamil Nadu State board Class 10 Papers
Tamil Nadu State board Class 11 Papers
Tamil Nadu State board Class 12 Papers

Tamil Nadu

Telangana State board Class 10 Papers
Telangana State board Class 11 Papers
Telangana State board Class 12 Papers

Telangana

Uttar Pradesh State board Class 10 Papers
Uttar Pradesh State board Class 11 Papers
Uttar Pradesh State board Class 12 Papers

Uttar Pradesh

English Antonyms Online Tests
English Synonyms Online Tests
English Spelling Check Online Tests
English Spotting Errors Online Tests
English One word Substitutes Online Tests
English Selecting Words online Tests
English Sentence Correction Online Tests
English Idioms and Phrases Online Tests
English Sentence Improvement Online Tests
English Grammar Online Tests
English Common Error Detection Online Tests
English Sentence Completion Online Tests
English Direct and Indirect Speech Online Tests
English Ordering Words Online Tests
English Ordering Sentences Online Tests
English Verbal Analogies Online Tests
English Sentence Formation Online Tests
English Completing Statements Online Tests
English Change of Speech Online Tests

Competitive English

CBSE Board Class 10 Papers
CBSE Board Class 12 Papers

CBSE Question Papers

NCERT Class 10 Books
NCERT Class 10 Solutions
NCERT Class 11 Books
NCERT Class 11 Solutions
NCERT Class 12 Books
NCERT Class 12 Solutions

NCERT Books

NCERT Exemplar Class 10 Books
NCERT Exemplar Class 10 Solutions
NCERT Exemplar Class 11 Books
NCERT Exemplar Class 11 Solutions
NCERT Exemplar Class 12 Books
NCERT Exemplar Class 12 Solutions

NCERT Exemplar Books

NCERT Class 10 Notes
NCERT Class 11 Notes
NCERT Class 12 Notes

NCERT Study Notes

CBSE Class 10 Study Concepts
CBSE Class 11 Study Concepts
CBSE Class 12 Study Concepts

CBSE Study Concepts

CBSE Class 10 Math Previous Papers
CBSE Class 10 Science Previous Papers
CBSE Class 10 Social Previous Papers

CBSE Class 10 Solutions

CBSE Class 12 Accountancy Previous Papers
CBSE Class12 Business Studies Previous Papers
CBSE Class 12 Chemistry Previous Papers
CBSE Class 12 Economics Previous Papers
CBSE Class 12 English Previous Papers
CBSE Class 12 Math Previous Papers
CBSE Class 12 Physical Education Papers
CBSE Class 12 Physics Previous Papers

CBSE Class 12 Solutions

NCERT Book Class 11 Chemistry Solutions
NCERT Book Class 11 Math Solutions
NCERT Book Class 11 Physics Solutions

NCERT Text Book Class 11 Solutions

NCERT Book Class 12 Chemistry Solutions
NCERT Book Class 12 Math Solutions
NCERT Book Class 12 Physics Solutions

NCERT Text Book Class 12 Solutions

ICSE Class 10 Previous Papers

ICSE Class 10 Papers

Java 8
Oracle Certifications
Salesforce Certifications
SAP Certifications
TOGAF 9 Practice tests

Technical

Amazon AWS Certification Exams
Microsoft Azure Certification Exams
Microsoft Azure AI Certification Exams
Microsoft Azure Data Certification Exams

Cloud Tech Certifications

CISSP Certification Exams
COMP TIA Certification Exams
CISCO Certification Exams

Security Tech Certifications

PMP Certification Exam Tests
PMP & CAPM Practice Tests
SCRUM Certification Practice Tests
Six Sigma Iassc Certification (CSSC) Practice Tests
Six Sigma Lean Certification (CSSC) Practice Tests

Management

ITIL 4 Foundation Practice Tests

IT Infrastructure

About

Careers

Contact Us

Our Apps

Privacy

Algebra and Higher Mathematics
Arithmetic
Commercial Mathematics
Data Based Mathematics
Geometry and Mensuration
Number System and Numeracy
Problem Solving

Quantitative Aptitude

© 2023 Examsnet