Maths Olympiad Practice Test 1 — IMO-style (Class 3)

Q4. In a secret code, CAT is written as DBU. How is DOG written in the same code?

Q5. Riya walks 5 m towards the North. She turns right and walks 3 m. She turns right again and walks 5 m. Where is Riya now from her starting point?

Q6. In a row of children, Aman is 7th from the left end and 10th from the right end. How many children are there in the row?

Q7. Find the odd one out.

Q8. A mirror is placed on the right side of the word shown (dashed line). Which of these is its mirror image?

Q9. How many triangles are there in the figure below?

Q10. A square sheet of paper is folded twice as shown and then one hole is punched. How will the sheet look when it is opened out?

Q11. What is the place value of 7 in 4735?

Q12. What is the smallest 4-digit number that can be made using each of the digits 5, 0, 8 and 3 exactly once?

Q13. Which number goes in the box?
456 + ☐ = 1000

Q14. What is the value of 25 × 8 − 99?

Q15. When 50 is divided by 7, what is the remainder?

Q16. The circle is divided into equal parts. What fraction of the circle is not shaded?

Q17. 3 km 250 m is the same as

Q18. A rectangle is 9 cm long and 6 cm wide. What is its perimeter?

Q19. The pictograph shows the number of books read by four children. How many more books did Charu read than Dev?

Q20. Tanvi counts backwards in 9s starting from 100: 100, 91, 82, … Which of these numbers will she say?

Q21. A pen costs ₹15 and a notebook costs ₹28. Meera buys 2 pens and 1 notebook and gives the shopkeeper ₹100. How much money will she get back?

Q22. School starts at 8:15 a.m. and ends at 1:45 p.m. How long is the school day?

Q23. 5 March is a Tuesday. What day of the week is 24 March of the same year?

Q24. A jug holds 2 litres of lemonade. A glass holds 250 mL. How many glasses can be filled from a full jug?

Q25. Mother buys 2 kg 500 g of potatoes and 1 kg 750 g of onions. What is the total weight?

Q26. A bus leaves the bus stand at 9:40 a.m. The journey takes 55 minutes. At what time does the bus reach?

Q27. 6 packets of biscuits cost ₹90. What is the cost of 4 packets?

Q28. 48 laddoos are shared equally among 6 children. Then each child gives 2 laddoos to Grandmother. How many laddoos does each child have now?

Q29. A ribbon is 3 m long. Kabir cuts as many pieces of 40 cm as he can. How many 40 cm pieces does he get?

Q30. Rohan goes to sleep at 9:30 p.m. and wakes up at 6:15 a.m. the next morning. How long does he sleep?

Q31. Ria has ₹500. She buys 3 storybooks at ₹85 each and a school bag for ₹160. Then her aunt gives her ₹50. How much money does Ria have now?

Q32. Chetan is 5 years old. Bina is twice as old as Chetan. Asha is 4 years older than Bina. What will be the total of their three ages 3 years from now?

Q33. Squares are made in a row with matchsticks, as shown. How many matchsticks are needed to make 9 squares in a row?

Q34. I am a 2-digit number. The sum of my digits is 11. If you swap my two digits, the new number is 27 more than me. What number am I?

Q35. A rectangular garden is 12 m long and 8 m wide. Posts are put all around its edge, 2 m apart, with one post at each corner. How many posts are there?