Numeracy / Problem-solving Quiz 1

1. What is the value of 4 (7 + 3) − 18?

• 10
• 12
• 18
• 22
• 34

2. If x + 2y = 10 and 2x − y = 5, what is the value of x?

• 2
• 3
• 4
• 5
• 6

3. What is the sum of the angles of a hexagon?

• 720°
• 1080°
• 960°
• 540°
• 360°

4. The sum of three consecutive integers is 57. What is the smallest of these integers?

• 18
• 19
• 20
• 21
• 22

5. Solve for x in the equation: 2 (x − 3) + 4 = 3x + 5

• -3
• 5
• -7
• 8
• -10

6. What is the least common multiple of 12 and 15?

• 3
• 6
• 60
• 45
• 120

7. What is the solution to (2x + 5) / 3 = 7 ?

• 5
• 6
• 7
• 8
• 9

8. A box contains 4 red balls, 6 green balls, and 8 blue balls. If one ball is chosen at random, what is the probability of choosing a red ball?

• 1\6
• 1\5
• 2\5
• 2\9
• 1\18

9. What is the sum of the first 15 positive integers?

• 120
• 105
• 115
• 130
• 150

10. What is the area of a triangle with base 12 cm and height 8 cm?

• 48 cm²
• 96 cm²
• 72 cm²
• 64 cm²
• 80 cm²