1. Find the next number in the series: 15, 20, 25, 30, 35, ____.
International Mathematics Olympiad
Practice question paper · Class 7 · Set C
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 | 7 |
|---|---|
| Set | C |
| Time allowed | 60 minutes |
| Maximum marks | 60 |
| Number of questions | 50 |
General instructions
- This practice paper has 50 questions and 60 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: 15 × 1. Mathematical Reasoning: 20 × 1. Everyday Mathematics: 10 × 1. Achievers Section: 5 × 3.
- 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 7 topic band. Rational numbers, linear equations, exponents, profit and loss, probability, triangles and mensuration.
Logical Reasoning
Questions 1 to 15. Each question carries 1 mark.
2. Find the next letter in the series: G, I, K, M, O, ____.
3. Which number does not belong with the others?
4. 8 : 32 :: 9 : ____
5. If each letter of a word is moved two steps forward in the alphabet, TIGER is written as VKIGT. Using the same rule, how is MANGO written?
6. Find the next number in the series: 2, 6, 18, 54, ____.
7. In a certain code, a word is written backwards. GRAPE is written as EPARG. How is TIGER written in that code?
8. In a row of 19 students, Diya is 7th from the left. What is Diya's position from the right?
9. Find the next number in the series: 4, 9, 16, 25, 36, ____.
10. Meera walks 3 km north and then 4 km east. How far is Meera from the starting point, in a straight line?
11. What is the angle between the hour hand and the minute hand at 1:20?
12. Sara has one brother. Pointing to that boy, a girl says, "He is the only son of my father." The girl is Sara. How is the boy related to Sara?
13. Find the next number in the series: 10, 12, 16, 18, 22, ____.
14. If 1 January falls on a Friday, which day of the week is 18 January?
15. 7 : 49 :: 10 : ____
Mathematical Reasoning
Questions 16 to 35. Each question carries 1 mark.
16. Solve for x: 5x + 6 = 16.
17. The value of 2³ is ____.
18. Find the simple interest on ₹2000 for 2 years at 10% per annum.
19. Two angles of a triangle are 74° and 56°. What is the third angle?
20. The value of (10 + 1)² is ____.
21. A bag has 5 red marbles and 8 blue marbles. One marble is drawn at random. What is the probability that it is red?
22. 1/2 + 2/5 = ____
23. What is 25% of 40?
24. Solve for x: 3x + 2 = 26.
25. The value of 3² is ____.
26. Find the simple interest on ₹800 for 2 years at 4% per annum.
27. Two angles of a triangle are 49° and 77°. What is the third angle?
28. The value of (8 + 6)² is ____.
29. A bag has 8 red marbles and 7 blue marbles. One marble is drawn at random. What is the probability that it is red?
30. 5/6 + 2/4 = ____
31. What is 40% of 150?
32. Solve for x: 9x + 4 = 40.
33. The value of 4³ is ____.
34. Find the simple interest on ₹2500 for 2 years at 5% per annum.
35. Two angles of a triangle are 55° and 79°. What is the third angle?
Everyday Mathematics
Questions 36 to 45. Each question carries 1 mark.
36. A shopkeeper buys a lamp for ₹250 and sells it at a profit of 25%. What is the selling price?
37. A cycle costing ₹610 is sold at a loss of ₹200. What is the selling price?
38. A bag marked ₹200 is sold at a discount of 50%. How much does Meera pay?
39. A tap fills 5 litres of water in one hour. How much water does it fill in 5 hours?
40. Rohan earns ₹250 per day and works 25 days in a month. What is the month's earning?
41. ₹87 is divided between Meera and a friend in the ratio 2:1. How much does Meera get?
42. A bus travels at 40 km/h for 5 hours. What distance does it cover?
43. A shopkeeper buys a lamp for ₹120 and sells it at a profit of 15%. What is the selling price?
44. A cycle costing ₹510 is sold at a loss of ₹150. What is the selling price?
45. A bag marked ₹200 is sold at a discount of 20%. How much does Myra pay?
Achievers Section
Questions 46 to 50. Each question carries 3 marks.
46. A father is 4 times as old as his son. The sum of their ages is 25 years. How old is the son?
47. The sum of two numbers is 75 and their difference is 5. What is the larger number?
48. Each exterior angle of a regular polygon is 40°. How many sides does the polygon have?
49. Ananya buys 6 notebooks at ₹x each and a pen for ₹6. The bill is ₹60. What is the price of one notebook?
50. A number leaves remainder 1 when divided by 7. The quotient is 11. What is the number?
END OF QUESTION PAPER
Answer key
Teacher copy for Knowledgewala. Class 7, Set C. The same class and set always rebuild this paper.