KNOWLEDGEWALA

Practice Olympiad Desk

IMO PRACTICE

International Mathematics Olympiad

Practice question paper · Class 3 · Set B

Practice material for Knowledgewala. This is not an official Science Olympiad Foundation paper and is not issued by SOF. Questions are original items written in the school IMO pattern.

Class	3
Set	B
Time allowed	60 minutes
Maximum marks	40
Number of questions	35

Name Class 3 Roll no. School

General instructions

This practice paper has 35 questions and 40 marks. Time allowed is 60 minutes. It follows the Level-1 section pattern. It is not an official SOF paper.
This test is based on the MCQ pattern. There are 4 options, out of which only one is correct.
Each question carries the marks shown in its section. Logical Reasoning: 10 × 1. Mathematical Reasoning: 10 × 1. Everyday Mathematics: 10 × 1. Achievers Section: 5 × 2.
The Achievers Section carries higher marks. Finish the first three sections before the Achievers Section.
On screen, choose Attempt on screen. Total Time is the time allowed. Elapsed Time begins as soon as you view the first question.
Click Next or Previous to move from one question to another. That keeps the chosen option. Clear Response removes the choice on the question you are viewing.
Flag a question you want to return to. The navigator uses Non Visited, Answered, Skipped and Flagged.
Click End Test when you have finished. Once you end the test, or the time is up, you cannot edit the answers. The result is shown at once.
Work without a calculator. Write your name before a paper sitting, or use Attempt on screen. The answer key at the end is the teacher copy.

Class 3 topic band. Multiplication and division, fractions, factors, time, perimeter and measurement.

Logical Reasoning

Questions 1 to 10. Each question carries 1 mark.

1. Find the next number in the series: 3, 7, 11, 15, 19, ____.

A22

B24

C23

D25

2. Find the next letter in the series: D, E, F, G, H, ____.

3. Which number does not belong with the others?

A48

B36

C25

D60

4. 4 : 16 :: 12 : ____

A48

B49

C50

D47

5. If each letter of a word is moved one step forward in the alphabet, PLANT is written as QMBOU. Using the same rule, how is MANGO written?

ANBOHP

BOGNAM

COCPIQ

DMANGO

6. Find the next number in the series: 5, 10, 20, 40, ____.

A79

B82

C80

D81

7. In a certain code, a word is written backwards. PLANT is written as TNALP. How is TIGER written in that code?

ATIGER

BREGIT

CEGITA

DUJHFS

8. In a row of 23 students, Neel is 5th from the left. What is Neel's position from the right?

A18

B19

C21

D20

9. Find the next number in the series: 5, 9, 13, 17, 21, ____.

A24

B27

C26

D25

10. Find the next letter in the series: B, C, D, E, F, ____.

Mathematical Reasoning

Questions 11 to 20. Each question carries 1 mark.

11. 188 + 99 = ____

A288

B286

C289

D287

12. 48 ÷ 4 = ____

A11

B13

C12

D14

13. What is 2/3 of 21?

A13

B15

C16

D14

14. A rectangle is 21 cm long and 10 cm wide. What is its perimeter?

A52 cm

B210 cm

C62 cm

D31 cm

15. In the number 446, what is the place value of the digit 4 in the tens place?

A41

B42

C39

D40

16. How many sides does a octagon have?

B10

17. 71 − 52 = ____

A19

B18

C21

D20

18. 4 × 2 = ____

D10

19. What is 4/8 of 32?

A16

B15

C17

D18

20. A rectangle is 20 cm long and 15 cm wide. What is its perimeter?

A70 cm

B55 cm

C300 cm

D35 cm

Everyday Mathematics

Questions 21 to 30. Each question carries 1 mark.

21. Neel buys 4 pens at ₹25 each and 1 erasers at ₹21 each. What is the total bill?

A₹46

B₹100

C₹121

D₹122

22. 12 sweets are shared equally among 2 children. How many sweets does each child get?

23. A rope of length 40 m is cut into pieces of 5 m each. How many pieces are obtained?

D10

24. A film runs for 3 hours and 20 minutes. What is the running time in minutes?

A23 minutes

B260 minutes

C200 minutes

D180 minutes

25. Rohan has 2 boxes with 4 pencils in each box. How many pencils are there in all?

D10

26. Sara buys a notebook for ₹8 and pays with a ₹100 note. How much change does Sara get?

A₹8

B₹108

C₹92

D₹97

27. Sara buys 4 pens at ₹20 each and 1 erasers at ₹11 each. What is the total bill?

A₹91

B₹31

C₹80

D₹92

28. 14 sweets are shared equally among 2 children. How many sweets does each child get?

29. A rope of length 9 m is cut into pieces of 3 m each. How many pieces are obtained?

30. A film runs for 1 hour and 15 minutes. What is the running time in minutes?

A60 minutes

B16 minutes

C75 minutes

D135 minutes

Achievers Section

Questions 31 to 35. Each question carries 2 marks.

31. Myra thinks of a number, doubles it, and then adds 12. The result is 40. What is the number?

A13

B14

C15

D16

32. The perimeter of a rectangle is 58 cm and the length is 19 cm. What is the breadth?

A39 cm

B12 cm

C10 cm

D19 cm

33. Meera had ₹24 and spent 1/6 of it. How much money is left?

A₹24

B₹16

C₹20

D₹4

34. Dots are arranged in rows: 1 in the first row, 2 in the second, and so on, up to 6 in the last row. How many dots are used?

A23

B21

C22

D20

35. Meera gives 6 stickers to each of 3 friends and keeps 6 stickers. How many stickers did Meera have at the start?

A25

B24

C23

D26

END OF QUESTION PAPER

Answer key

Teacher copy for Knowledgewala. Class 3, Set B. The same class and set always rebuild this paper.

10B

11D

12C

13D

14C

15D

16D

17A

18A

19A

20A

21C

22A

23C

24C

25A

26C

27A

28A

29B

30C

31B

32C

33C

34B

35B

Knowledgewala · IMO practice · Class 3 · Set B Not an official SOF paper