A girl thinks of a number which is greater than 45 and smaller than 50 The digit at ones place is double of digit at tens place. Which number is she thinking about?

Class-wise and subject-wise olympiad question bank
Olympiad Questions for Classes 1 to 12 With Answers and Practice Links
Find olympiad questions for Math, Science, English, GK, Hindi, and ICT. Use subject-wise and class-wise question pages to build concept clarity, reasoning, speed, and exam confidence.
Choose a subject
Subject-Wise Olympiad Questions
Select a subject to find question pages, class links, and practice material for that olympiad.
Math Olympiad Questions
Counting, arithmetic, geometry, patterns, reasoning, and word problems.
Science Olympiad Questions
Plants, animals, human body, environment, force, energy, and observation.
English Olympiad Questions
Vocabulary, grammar, comprehension, sentence usage, and language skills.
GK Olympiad Questions
Current awareness, India and the world, sports, culture, and general facts.
Hindi Olympiad Questions
Varnamala, grammar, vocabulary, comprehension, and Hindi language practice.
ICT Olympiad Questions
Computers, input-output devices, internet basics, software, and digital skills.
Why practise
Why Practice Olympiad Questions Regularly?
Good question practice trains students to read carefully, apply concepts, and avoid common exam mistakes.
Build Concept Clarity
Practice questions reveal whether a child can apply classroom concepts in new situations.
Improve Speed and Accuracy
Repeated MCQ practice helps students answer faster without losing attention to detail.
Understand Exam Patterns
Subject-wise and class-wise questions make olympiad formats feel familiar before the exam.
Examples
Sample Olympiad Questions With Answers
These examples show the kind of concept-based and MCQ-style practice students should expect.
Most rated practice questions
Top 5 Most Rated Olympiad Questions
Try the highest-rated questions from different subjects and classes, then check the instant answer feedback.
# + # = 4 . @ + @ = 2 what is value of # + @?
Fungi are a type of decomposer?
Which of the following shape is not 3 dimensional ?
Which system provides the body with oxygen?
Want more practice questions like these?
Continue with a full online practice test and get more olympiad-style questions.
Next steps
Use Questions With Worksheets, Papers and Tests
Olympiad preparation works best when students combine questions with worksheets, syllabus revision, sample papers, and timed online tests.
Online Practice Test
Attempt timed olympiad-style tests with class and subject selection.
Download Worksheets
Use printable worksheets for offline revision and homework practice.
Sample Papers
Review model papers to understand marking style and question mix.
Previous Year Papers
Practise with older paper formats and recurring olympiad topics.
Olympiad Syllabus
Check topics before planning chapter-wise practice.
Preparation Tips
Learn how to use questions, papers, worksheets, and tests together.
FAQ
Frequently Asked Questions About Olympiad Questions
Where can I find olympiad questions by class and subject?
Use the subject links or class links on this page to browse olympiad questions for Math, Science, English, GK, Hindi, and ICT across different class levels.
Are these olympiad questions useful for school-level competitions?
Yes. The question pages are designed to support school-level, national, and international olympiad preparation by improving concept application, reasoning, and MCQ practice.
How should students practise olympiad questions?
Students should start with topic-wise questions, review answer explanations, practise worksheets, then attempt timed online tests and sample papers.
Do olympiad questions include answers?
Question pages include answers and explanations where available so students can learn from mistakes instead of only checking the final option.
Which subjects are available for olympiad question practice?
Kidz Olympiad provides question resources for Mathematics, Science, English, General Knowledge, Hindi, and ICT.
How many olympiad questions should a student practise daily?
Younger students can start with 5 to 10 questions daily, while older students can practise 15 to 25 questions plus a weekly mock test or sample paper.