Quick Practice
Try five questions from Subject-verb agreement practice
Check each answer as you go. If you miss one, the explanation shows the rule, method, or fact used in that question.
5 questions
Start Quick PracticeQuizzes
Practice quizzes
Choose a lesson topic and answer questions written for it. Check each response to see the rule, method, or fact behind the answer.
82 quizzes across English, mathematics, computers, reasoning, science, and general knowledge.
All practice quizzes
Filter by subject or difficulty to find the right practice.
Showing 82 of 82 quizzes
English Grammar · Subject-verb agreement
Subject-verb agreement practice
Apply subject-first checks to choose verbs in simple-present sentences with singular, plural, and interrupted subjects.
- Level
- beginner
- Questions
- 8
- Time
- 8–12 min
English Grammar · Using a, an, and the
Articles practice
Choose a, an, the, or no article by checking sound, countability, and whether a noun is identifiable.
- Level
- beginner
- Questions
- 8
- Time
- 8–12 min
Computer Fundamentals · Hardware and software
Hardware and software practice
Classify physical components, programs, and data while tracing how hardware and software cooperate in common tasks.
- Level
- beginner
- Questions
- 8
- Time
- 8–12 min
Computer Fundamentals · Input and output devices
Input and output devices practice
Classify common devices by the direction of information flow and identify equipment that performs both roles.
- Level
- beginner
- Questions
- 8
- Time
- 8–12 min
Quantitative Aptitude · Understanding percentages
Percentage foundations practice
Convert percentages and calculate a percentage of a quantity using fractions, decimals, and reasonableness checks.
- Level
- beginner
- Questions
- 8
- Time
- 8–12 min
Quantitative Aptitude · Ratios and proportions
Ratios and proportions practice
Simplify ratios, match units, identify equivalent forms, and solve proportional sharing and unit-rate problems.
- Level
- beginner
- Questions
- 8
- Time
- 8–12 min
English Grammar · Parts of speech
Parts of speech practice
Identify word classes by their function in complete sentences and distinguish nouns, verbs, modifiers, and connectors.
- Level
- beginner
- Questions
- 5
- Time
- 5–8 min
Computer Fundamentals · Computer networks
Computer networks practice
Check the roles of switches, routers, wireless links, packets, and local versus internet connectivity.
- Level
- beginner
- Questions
- 5
- Time
- 5–8 min
Quantitative Aptitude · Arithmetic averages
Averages and data practice
Calculate means, recover totals, find missing values, and interpret average speed and percentage change.
- Level
- beginner
- Questions
- 5
- Time
- 5–8 min
English Vocabulary · Synonyms and antonyms
Vocabulary meaning practice
Choose precise synonyms and antonyms by checking strength, tone, direction, and sentence context.
- Level
- beginner
- Questions
- 5
- Time
- 5–8 min
English Vocabulary · Context clues
Context clues practice
Infer likely meanings from definitions, examples, contrasts, grammar, and cause-and-effect clues.
- Level
- beginner
- Questions
- 5
- Time
- 5–8 min
English Vocabulary · Prefixes, suffixes, and roots
Word parts and usage practice
Use prefixes, suffixes, roots, word families, collocations, and grammar patterns to interpret vocabulary.
- Level
- intermediate
- Questions
- 5
- Time
- 5–8 min
Digital Literacy · Web browsers and effective search
Search and information practice
Refine searches, read domains and snippets carefully, and choose stronger evidence for online claims.
- Level
- beginner
- Questions
- 5
- Time
- 5–8 min
Digital Literacy · Safe browsing and phishing awareness
Account and phishing safety practice
Apply unique-password, MFA, recovery, verification, and phishing-response habits to realistic situations.
- Level
- beginner
- Questions
- 5
- Time
- 5–8 min
Digital Literacy · Online collaboration
Collaboration and privacy practice
Choose appropriate sharing permissions, file formats, communication patterns, and privacy controls.
- Level
- intermediate
- Questions
- 5
- Time
- 5–8 min
Logical Reasoning · Number and letter series
Series and patterns practice
Find consistent differences, ratios, alternating rules, and alphabet-position patterns.
- Level
- beginner
- Questions
- 5
- Time
- 5–8 min
Logical Reasoning · Analogies and classification
Analogies and relationships practice
Name analogy relationships, preserve direction, and classify items with one consistent property.
- Level
- beginner
- Questions
- 5
- Time
- 5–8 min
Logical Reasoning · Syllogisms
Syllogisms and deductions practice
Test conclusions from all, no, and some statements without reversing relationships or adding assumptions.
- Level
- intermediate
- Questions
- 5
- Time
- 5–8 min
General Science · Force and motion
Force, energy, and electricity practice
Apply foundational ideas about net force, acceleration, work, energy, heat transfer, light, and circuits.
- Level
- beginner
- Questions
- 5
- Time
- 5–8 min
General Science · Matter, atoms, and molecules
Matter and chemistry practice
Distinguish atoms, molecules, elements, compounds, mixtures, physical changes, acids, bases, and pH.
- Level
- beginner
- Questions
- 5
- Time
- 5–8 min
General Science · Cells and the organization of life
Cells, bodies, and ecosystems practice
Review cell structures, body-system relationships, photosynthesis, respiration, food webs, and matter cycles.
- Level
- beginner
- Questions
- 5
- Time
- 5–8 min
General Knowledge · World geography foundations
World geography practice
Review continents, oceans, coordinates, climate influences, and the limits of flat map projections.
- Level
- beginner
- Questions
- 5
- Time
- 5–8 min
General Knowledge · International organizations
Institutions and history practice
Understand international organizations, broad historical change, and how institutional purpose differs from authority.
- Level
- beginner
- Questions
- 5
- Time
- 5–8 min
General Knowledge · Important inventions and discoveries
Culture and innovation practice
Distinguish inventions from discoveries and interpret cultural exchange, landmark meaning, and historical credit carefully.
- Level
- intermediate
- Questions
- 5
- Time
- 5–8 min
Computer Fundamentals · Application software
Application Software Quiz
Identify application software, its operating-system dependencies, file compatibility, and safe update choices.
- Level
- beginner
- Questions
- 5
- Time
- 5–8 min
Computer Fundamentals · Cloud computing
Cloud Computing Quiz
Distinguish cloud storage, hosted applications, infrastructure, synchronization, backup, and shared responsibility.
- Level
- beginner
- Questions
- 5
- Time
- 5–8 min
Computer Fundamentals · Computer basics and the CPU
Computer Basics and CPU Quiz
Trace input, processing, storage, and output while checking the CPU instruction cycle and system performance.
- Level
- beginner
- Questions
- 5
- Time
- 5–8 min
Computer Fundamentals · Cybersecurity basics
Cybersecurity Basics Quiz
Check confidentiality, integrity, availability, layered controls, verification, updates, authentication, and backups.
- Level
- beginner
- Questions
- 5
- Time
- 5–8 min
Computer Fundamentals · Database basics
Database Basics Quiz
Identify tables, records, fields, keys, queries, validation, transactions, access controls, and backups.
- Level
- beginner
- Questions
- 5
- Time
- 5–8 min
Computer Fundamentals · Files and folders
Files and Folders Quiz
Check file, folder, path, extension, shortcut, naming, organization, and backup concepts.
- Level
- beginner
- Questions
- 5
- Time
- 5–8 min
Computer Fundamentals · Internet and the web
Internet and Web Quiz
Distinguish the internet and web, then check DNS, browsers, servers, addresses, HTTPS, and encryption limits.
- Level
- beginner
- Questions
- 5
- Time
- 5–8 min
Computer Fundamentals · Computer memory and storage
Computer Memory and Storage Quiz
Compare RAM, persistent storage, capacity, speed, active work, and what happens when power is removed.
- Level
- beginner
- Questions
- 5
- Time
- 5–8 min
Computer Fundamentals · Operating system basics
Operating System Basics Quiz
Check how an operating system manages processes, memory, files, devices, users, permissions, and application services.
- Level
- beginner
- Questions
- 5
- Time
- 5–8 min
Digital Literacy · Email and digital communication
Email and Digital Communication Quiz
Choose useful subject lines, recipients, CC and BCC behavior, attachments, tone, urgency, and communication channels.
- Level
- beginner
- Questions
- 5
- Time
- 5–8 min
Digital Literacy · Evaluating online information
Evaluating Online Information Quiz
Assess authorship, relevant authority, evidence, date, scope, purpose, corroboration, and copied claims.
- Level
- beginner
- Questions
- 5
- Time
- 5–8 min
Digital Literacy · File types and cloud storage
File Types and Cloud Storage Quiz
Choose formats and sharing permissions while distinguishing extensions, synchronization, compatibility, and independent backup.
- Level
- beginner
- Questions
- 5
- Time
- 5–8 min
Digital Literacy · Online privacy
Online Privacy Quiz
Identify provided, observed, and inferred data while checking permissions, settings, retention, and minimum sharing.
- Level
- beginner
- Questions
- 5
- Time
- 5–8 min
Digital Literacy · Passwords and multi-factor authentication
Passwords and MFA Quiz
Check unique credentials, password managers, multi-factor authentication, phishing limits, and recovery information.
- Level
- beginner
- Questions
- 5
- Time
- 5–8 min
Digital Literacy · Responsible use of AI tools
Responsible Use of AI Tools Quiz
Check privacy, verification, attribution, suitable use, and human responsibility when working with generative AI.
- Level
- beginner
- Questions
- 5
- Time
- 5–8 min
English Grammar · Adjectives and adverbs
Adjectives and Adverbs Quiz
Distinguish adjectives and adverbs, including their use with nouns, actions, linking verbs, and comparisons.
- Level
- beginner
- Questions
- 5
- Time
- 5–8 min
English Grammar · Common grammar errors
Common Grammar Errors Quiz
Find fragments, agreement errors, misplaced modifiers, unclear pronouns, and incomplete comparisons.
- Level
- intermediate
- Questions
- 5
- Time
- 5–8 min
English Grammar · Building complete sentences
Complete Sentences Quiz
Apply the subject, finite-verb, and complete-thought test to sentences, fragments, and dependent clauses.
- Level
- beginner
- Questions
- 5
- Time
- 5–8 min
English Grammar · Nouns and noun phrases
Nouns and Noun Phrases Quiz
Identify common and proper nouns, count and mass nouns, head nouns, determiners, modifiers, and possessive forms.
- Level
- beginner
- Questions
- 5
- Time
- 5–8 min
English Grammar · Prepositions and conjunctions
Prepositions and Conjunctions Quiz
Use prepositions and coordinating or subordinating conjunctions to express place, time, direction, and logical links.
- Level
- beginner
- Questions
- 5
- Time
- 5–8 min
English Grammar · Pronouns and clear antecedents
Pronouns and Antecedents Quiz
Match pronouns with clear antecedents and choose forms that fit subject, object, and number roles.
- Level
- beginner
- Questions
- 5
- Time
- 5–8 min
English Grammar · Verb tenses and forms
Verb Tenses and Forms Quiz
Choose simple, continuous, perfect, and future forms according to habits, ongoing activity, and time relationships.
- Level
- intermediate
- Questions
- 5
- Time
- 5–8 min
English Vocabulary · Academic vocabulary
Academic Vocabulary Quiz
Choose precise academic words for evidence, analysis, relationships, change, methods, and arguments.
- Level
- intermediate
- Questions
- 5
- Time
- 5–8 min
English Vocabulary · Common word usage
Common Word Usage Quiz
Check collocation, register, connotation, countability, grammar patterns, and dictionary usage examples.
- Level
- intermediate
- Questions
- 5
- Time
- 5–8 min
English Vocabulary · Commonly confused words
Commonly Confused Words Quiz
Choose correctly between imply and infer, accept and except, fewer and less, affect and effect, and advice and advise.
- Level
- beginner
- Questions
- 5
- Time
- 5–8 min
English Vocabulary · Homophones
Homophones Quiz
Use sentence meaning and grammar to choose among common words that sound alike.
- Level
- beginner
- Questions
- 5
- Time
- 5–8 min
English Vocabulary · Idioms and phrasal verbs
Idioms and Phrasal Verbs Quiz
Interpret conventional meanings, identify verb particles, check separability, and match expressions to register and context.
- Level
- intermediate
- Questions
- 5
- Time
- 5–8 min
General Knowledge · Continents and oceans
Continents and Oceans Quiz
Check the common continent and ocean model, boundary conventions, the Pacific Ocean, and the connected world ocean.
- Level
- beginner
- Questions
- 5
- Time
- 5–8 min
General Knowledge · Countries and capitals
Countries and Capitals Quiz
Understand capitals, government functions, largest-city assumptions, divided functions, territories, and recognition.
- Level
- beginner
- Questions
- 5
- Time
- 5–8 min
General Knowledge · Culture and civilizations
Culture and Civilizations Quiz
Check learned culture, change, diversity within civilizations, cultural exchange, independent development, and stereotypes.
- Level
- beginner
- Questions
- 5
- Time
- 5–8 min
General Knowledge · Famous landmarks
Famous Landmarks Quiz
Connect built and natural landmarks with location, period, purpose, formation, cultural meaning, and preservation.
- Level
- beginner
- Questions
- 5
- Time
- 5–8 min
General Knowledge · Major historical milestones
Historical Milestones Quiz
Place broad transformations in context and connect agriculture, cities, writing, trade, industrialization, causes, and consequences.
- Level
- intermediate
- Questions
- 5
- Time
- 5–8 min
General Science · Ecosystems and the environment
Ecosystems and the Environment Quiz
Check ecosystem components, energy flow, matter cycles, populations, limiting factors, food chains, biodiversity, and resilience.
- Level
- beginner
- Questions
- 5
- Time
- 5–8 min
General Science · Elements, compounds, acids, and bases
Elements, Compounds, Acids, and Bases Quiz
Distinguish elements, compounds, mixtures, physical separation, acid-base behavior, and the logarithmic pH scale.
- Level
- beginner
- Questions
- 5
- Time
- 5–8 min
General Science · Heat, light, and electricity
Heat, Light, and Electricity Quiz
Check temperature, heat transfer, conduction, convection, radiation, light behavior, circuits, current, and voltage.
- Level
- beginner
- Questions
- 5
- Time
- 5–8 min
General Science · Nutrition and human body systems
Nutrition and Human Body Systems Quiz
Connect nutrients, digestion, absorption, respiration, circulation, excretion, and coordinated body-system function.
- Level
- beginner
- Questions
- 5
- Time
- 5–8 min
General Science · Plants and photosynthesis
Plants and Photosynthesis Quiz
Check photosynthesis, chlorophyll, chloroplasts, stomata, water transport, respiration, and plant roles in ecosystems.
- Level
- beginner
- Questions
- 5
- Time
- 5–8 min
General Science · Work and energy
Work and Energy Quiz
Apply mechanical work, kinetic and potential energy, power, energy transfer, transformation, and conservation.
- Level
- beginner
- Questions
- 5
- Time
- 5–8 min
Logical Reasoning · Blood relations
Blood Relations Quiz
Translate family statements by generation and viewpoint without adding unstated gender, marriage, or sibling assumptions.
- Level
- beginner
- Questions
- 5
- Time
- 5–8 min
Logical Reasoning · Coding and decoding
Coding and Decoding Quiz
Infer symbol, position, order, and alphabet-shift rules from examples, then reverse the exact operation.
- Level
- intermediate
- Questions
- 5
- Time
- 5–8 min
Logical Reasoning · Direction sense
Direction Sense Quiz
Track facing direction, turns, coordinates, distance travelled, displacement, and final position on a simple map.
- Level
- beginner
- Questions
- 5
- Time
- 5–8 min
Logical Reasoning · Ranking and order
Ranking and Order Quiz
Convert ranks from opposite ends, calculate totals, place relative positions, and recognize when ties change the method.
- Level
- beginner
- Questions
- 5
- Time
- 5–8 min
Logical Reasoning · Statements and conclusions
Statements and Conclusions Quiz
Decide what follows necessarily or possibly from stated evidence without adding opinion or outside knowledge.
- Level
- intermediate
- Questions
- 5
- Time
- 5–8 min
Quantitative Aptitude · Algebra basics
Algebra Basics Quiz
Translate expressions, combine like terms, solve linear equations, preserve equality, and check by substitution.
- Level
- beginner
- Questions
- 5
- Time
- 5–8 min
Quantitative Aptitude · Data interpretation and probability
Data Interpretation and Probability Quiz
Read labels and scales, calculate percentage change, find simple probabilities, and use complementary events.
- Level
- beginner
- Questions
- 5
- Time
- 5–8 min
Quantitative Aptitude · Fraction foundations
Fraction Foundations Quiz
Interpret numerator and denominator, form equivalent fractions, add unlike fractions, compare values, and simplify.
- Level
- beginner
- Questions
- 5
- Time
- 5–8 min
Quantitative Aptitude · Geometry and mensuration basics
Geometry and Mensuration Quiz
Calculate angles, perimeter, area, and volume while choosing the correct formula and measurement units.
- Level
- beginner
- Questions
- 5
- Time
- 5–8 min
Quantitative Aptitude · Number system and decimals
Number System and Decimals Quiz
Check place value, signed numbers, factors, multiples, decimal alignment, and estimation.
- Level
- beginner
- Questions
- 5
- Time
- 5–8 min
Quantitative Aptitude · Profit, loss, and discount
Profit, Loss, and Discount Quiz
Calculate profit, loss, percentages, markup, discount, selling price, and successive percentage changes.
- Level
- beginner
- Questions
- 5
- Time
- 5–8 min
Quantitative Aptitude · Simple and compound interest
Simple and Compound Interest Quiz
Compare principal, rate, time, simple interest, compound growth, accumulated amount, and compatible periods.
- Level
- intermediate
- Questions
- 5
- Time
- 5–8 min
Quantitative Aptitude · Speed, distance, and time
Speed, Distance, and Time Quiz
Use speed, distance, time, unit conversion, relative motion, and average-speed relationships.
- Level
- beginner
- Questions
- 5
- Time
- 5–8 min
Quantitative Aptitude · Time and work
Time and Work Quiz
Convert completion times to work rates, combine compatible rates, calculate time, and compare efficiency.
- Level
- intermediate
- Questions
- 5
- Time
- 5–8 min
English Grammar · Questions and negatives
Questions and Negatives Quiz
Form questions and negative statements with auxiliary verbs, do, does, did, not, and question words.
- Level
- beginner
- Questions
- 5
- Time
- 5–8 min
Quantitative Aptitude · Order of operations
Order of Operations Quiz
Evaluate grouping symbols, exponents, multiplication, division, addition, and subtraction in standard order.
- Level
- beginner
- Questions
- 5
- Time
- 5–8 min
Computer Fundamentals · Office productivity tools
Office Productivity Tools Quiz
Choose documents, spreadsheets, presentations, formats, permissions, structure, and accessibility features for a task.
- Level
- beginner
- Questions
- 5
- Time
- 5–8 min
Logical Reasoning · Clocks and calendars
Clocks and Calendars Quiz
Use clock-hand movement rates, smaller angles, seven-day cycles, month lengths, and Gregorian leap-year rules.
- Level
- intermediate
- Questions
- 5
- Time
- 5–8 min
General Science · Sound and waves
Sound and Waves Quiz
Check vibrations, mechanical waves, frequency, pitch, amplitude, intensity, speed, reflection, and hearing safety.
- Level
- beginner
- Questions
- 5
- Time
- 5–8 min
General Knowledge · Major rivers and mountains
Major Rivers and Mountains Quiz
Identify river-system and mountain terms, formation processes, human connections, and measurement limits.
- Level
- beginner
- Questions
- 5
- Time
- 5–8 min