Mock Exams and Practice

NSO: Science Olympiad

Practice for the National Science Olympiad (NSO) pattern.

• NSO Class 3 Sample Paper: Mock Exam

  A mock exam based on the official NSO Class 3 sample paper (Syllabus 2020-21).

  • Class 3
  • Mock paper

• NSO Class 3 Practice Quiz 1

  Questions and options are shuffled on every attempt. Tap Retake to reshuffle and try again.

  • Class 3
  • Practice quiz

• NSO Class 3 Practice Quiz 2

  A second, longer set of practice questions. Questions and options are shuffled on every attempt.

  • Class 3
  • Practice quiz

• NSO Class 3 — Complete Study Notes

  Complete study notes for Class 3. Pattern: Logical Reasoning (5 questions), Science (25) and Achievers (5), 35 questions and 40 marks in 60 minutes, no negative marking.

  • Class 3
  • Study notes

• NSO 2017-18 · Class 7 Level 2 — Mock Test

  50 questions adapted from NSO Level 2, Class 7 (2017-18). Timed practice with answers and explanations.

  • Class 7
  • Mock paper

• NSO 2018-19 · Class 7 Level 2 — Mock Test

  50 questions adapted from NSO Level 2, Class 7 (2018-19). Timed practice with answers and explanations.

  • Class 7
  • Mock paper

• NSO 2019-20 · Class 7 Level 2 — Mock Test

  50 questions adapted from NSO Level 2, Class 7 (2019-20). Timed practice with answers and explanations.

  • Class 7
  • Mock paper

• NSO 2022-23 · Class 7 Level 2 — Mock Test

  50 questions adapted from NSO Level 2, Class 7 (2022-23). Timed practice with answers and explanations.

  • Class 7
  • Mock paper

• NSO 2023-24 · Class 7 Level 2 — Mock Test

  50 questions adapted from NSO Level 2, Class 7 (2023-24). Timed practice with answers and explanations.

  • Class 7
  • Mock paper

• NSO Class 7 Level 1 Mock Exam

  Modeled on the real NSO Level 1 section pattern. Questions shuffle within each section every attempt.

  • Class 7
  • Mock paper
  • 60 minutes

• NSO Class 7 Mock Exam — Official Pattern

  Follows the official SOF NSO pattern for Classes 5 to 10. No negative marking.

  • Class 7
  • Mock paper
  • 60 minutes

• NSO Class 7 Mock Exam — Paper 2 (Tougher)

  A fresh, tougher question set that follows the official SOF NSO pattern. No negative marking.

  • Class 7
  • Mock paper
  • 60 minutes

• NSO Class 7 Science — Full Lesson Notes

  Full lesson notes. Pattern: 3 sections, 50 questions, 60 marks, 60 minutes, no negative marking.

  • Class 7
  • Study notes

IMO: Maths Olympiad

Practice for the International Mathematics Olympiad (IMO) pattern.

• IMO Class 3 - Online Mock Exam

  An online practice test of 60 questions across four sections, based on the SOF IMO Sample Paper 2026-27 pattern. Retake with a new random set.

  • Class 3
  • Mock paper
  • 60 questions

• IMO Class 3 - Tough Mock Exam

  Advanced, higher-order-thinking practice: 60 tough questions, harder than the standard SOF IMO pattern.

  • Class 3
  • Mock paper
  • 60 questions

• Knowledgewala IMO Practice — Class 3 Set B

  Knowledgewala practice paper in the style of the school International Mathematics Olympiad. Not an official SOF paper.

  • Class 3
  • Mock paper
  • 35 questions
  • 60 minutes

• Knowledgewala IMO Practice — Class 3 Set SEGU

  Knowledgewala practice paper in the style of the school International Mathematics Olympiad. Not an official SOF paper.

  • Class 3
  • Mock paper
  • 35 questions
  • 60 minutes

• IMO Class 3 — Full Lesson Notes

  One topic is one 30-minute lesson. Built for students to read alone and for teachers to teach from.

  • Class 3
  • Study notes

• IMO Class 7 — Mock Exam 3 (60 Qs)

  60 higher-order-thinking questions worth 72 marks, with section-wise results and detailed solutions. No negative marking.

  • Class 7
  • Mock paper
  • 60 questions
  • 60 minutes

• IMO Class 7 — Tough Practice Test (60 Qs)

  60 higher-order-thinking questions worth 72 marks, with section-wise results and detailed solutions. No negative marking.

  • Class 7
  • Mock paper
  • 60 questions
  • 60 minutes

• IMO Class 7 Mock Exam — Paper 1

  Follows the official SOF IMO four-section pattern. No negative marking.

  • Class 7
  • Mock paper
  • 60 minutes

• IMO Class 7 Mock Exam — Paper 3

  Follows the official SOF IMO four-section pattern. No negative marking.

  • Class 7
  • Mock paper
  • 60 minutes

• Knowledgewala IMO Practice — Class 7 Set A

  Knowledgewala practice paper in the style of the school International Mathematics Olympiad. Not an official SOF paper.

  • Class 7
  • Mock paper
  • 50 questions
  • 60 minutes

• Knowledgewala IMO Practice — Class 7 Set C

  Knowledgewala practice paper in the style of the school International Mathematics Olympiad. Not an official SOF paper.

  • Class 7
  • Mock paper
  • 50 questions
  • 60 minutes

• SOF IMO Class 7 — Online Mock Test

  An online mock test based on the SOF IMO Class 7 sample paper (2026-27).

  • Class 7
  • Mock paper

• IMO Class 7 Mathematics — Full Lesson Notes

  Full lesson notes. Pattern: 4 sections, 50 questions, 60 marks, 60 minutes, no negative marking.

  • Class 7
  • Study notes

Logical reasoning (shared)

Notes for the reasoning section that NSO and IMO have in common.

• Class 7 Logical Reasoning — Full Lesson Notes

  Full lesson notes for the Logical Reasoning section that NSO and IMO share for Classes 5 to 10.

  • Class 7
  • Study notes

SCO: Science Olympiad

Practice based on the SCO International Science Olympiad pattern.

• Class 7 Science Olympiad — Mock Test

  A Class 7 science mock test based on SCO International Science Olympiad question paper Set A.

  • Class 7
  • Mock paper

English

• Reading Comprehension Mock Exam

  Reading practice adapted from Kendriya Vidyalaya Asansol English study material, Competency 1: Reading.

  • Mock paper

• English & Vocabulary Quest — 5-Level Word Game

  Words, grammar, spelling, idioms and more across five levels. Earn coins, unlock gadgets and print a certificate.

  • Practice quiz

• English Grammar Quest

  A mixed-difficulty grammar and sentence-transformation game for grades 3 to 8, from parts of speech and tenses to active and passive voice.

  • Practice quiz

Hindi

• Hindi Reading Comprehension Practice

  Hindi reading comprehension practice with five interesting stories, questions, scoring and explanations.

  • Practice quiz
  • Hindi

General knowledge

• Evergreen GK Challenge — 5-Level Trivia Adventure

  Five trivia papers covering India, the world, science, gadgets and sports. Pick a level and play.

  • Practice quiz

• GK Championship — Competitive Quiz for Ages 7-16

  A fast, friendly general-knowledge quiz for ages 7 to 16, with streaks, career points and leaderboards.

  • Practice quiz

Maths

• Grade 3-5 Math Practice Worksheet

  A general-level practice worksheet for Grades 3 to 5 with fresh numbers every time. You can print it graded.

  • Worksheet
  • 30 questions
  • 30 minutes

Math Ninja

Arcade-style number practice, one game for each class.

• Math Ninja: Class 4 Number Runner

  Arcade-style Class 4 maths practice: solve the problem, then tap the lane with the correct answer.

  • Class 4
  • Learning game

• Math Ninja: Class 5 Number Runner

  Arcade-style Class 5 maths practice: solve the problem, then tap the lane with the correct answer.

  • Class 5
  • Learning game

• Math Ninja: Class 7 Number Runner

  Arcade-style Class 7 maths practice: solve the problem, then tap the lane with the correct answer.

  • Class 7
  • Learning game

Adventures

• Ocean Counting & Shapes Adventure

  A learning game for little explorers aged 3 to 8: count the fish, match shapes and meet ocean animals.

  • Learning game

• Pet Battle Arena

  Choose a companion and battle by answering questions. Your companion levels up and is remembered in this browser.

  • Learning game

• Space Explorer Mission

  A 45-minute cross-subject voyage across the solar system with 40 mission challenges across 5 planets, and an explorer certificate.

  • Learning game

• स्वतंत्रता सेनानी: भारत के वीर नायक

  A 45-minute educational journey with 40 questions about 5 freedom fighters of India, ending with a certificate. In Hindi.

  • Learning game
  • Hindi

Study skills

• Smart Study Strategies That Actually Work | Knowledgewala

  Habits for grades 3 to 8: how to remember more, feel calmer on test day and enjoy studying.

  • Guide

Science at home

• 8 Hands-On Science Experiments You Can Try at Home | Knowledgewala

  Eight experiments you can try at home with everyday materials: make a prediction, try it, then check the answer.

  • Guide

Computer science

• CBSE Computer Science — Classes 6 to 8

  A computer science course for Classes 6 to 8.

  • Course

IBM Cúram certification practice

• IBM Cúram Consultant — 60-Question Mock Exam

  A 60-question mock exam on IBM Cúram Social Program Management, with an answer key and explanations. An independent study aid, not affiliated with IBM.

  • Mock paper
  • 60 questions
  • 75 minutes
  • For adults

• IBM Cúram Consultant — Technical Mock Exam (Paper 2)

  Paper 2: 60 new, technically focused questions on architecture, configuration and implementation. An independent study aid, not affiliated with IBM.

  • Mock paper
  • 60 questions
  • For adults

AI & architecture guides

• AI Architecture: Design Patterns & Best Practices

  A developer guide to the recurring shapes of AI systems and how to choose the simplest one that solves the problem.

  • Guide
  • For adults

• The AI Enablement Playbook

  A cross-functional guide to using AI and simple agents in everyday work, department by department. No code required.

  • Guide
  • For adults