Math Olympiad Grade 7

Multiple Choice

1. 1. What is the 128^th term in the following series?

             4 + 11 + 18 + 25 + …

• 880

• 889

• 893

• 917

• None of them

Multiple Choice

2.       Find the number of all positive factors of 312.

• 16

• 18

• 20

• 25

• 26

Multiple Choice

• 15

• 19

• 25

• 35

• None of them

Multiple Choice

4. 4. When a 3 – digit number is divisible by 7, 5 or 4, the remainder is 2.

5. What is the minimum possible value of that 3-digit number?

• 130

• 138

• 142

• 152

• None of them

Multiple Choice

5. 5. What is the sum of the digits in the product of 2017 × 9999?

• 26

• 36

• 38

• 46

• 66

Fill in the Blank

6. 6. Alex, Bruno, and Charles each add the lengths of two sides of the same triangle correctly.

7. They get 27 cm, 35 cm, and 32 cm, respectively.

8. Find the perimeter of the triangle, in cm.

Fill in the Blank

7. 7. How many different triangles can be formed whose 3 vertices are chosen from the rectangular array of 8 points shown?

Fill in the Blank

8. 8.

.

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9. 9. Find the value of 2 + 7 + 14 + 23 + … + 194 + 223.

Fill in the Blank

10. 10.

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11. 11. A survey of 40 students at Mathlete Academy found that 27 students play sports and 20 students play an instrument. If 8 students in the survey do not play a sport and do not play an instrument, how many students play both a sport and an instrument.

Fill in the Blank

12. 12. How many 4-digit odd integers can be formed from the digits 0, 1, 4, 6, and 8 if no digit can be repeated in the number?