Apprenticeship Exam Apprenticeship Math and Measurements 3

Question 1

A ratio of cement to sand is 1:3. How much sand is needed for 5 shovels of cement?

Accepted Answer

15 shovels

Answer

For every 1 shovel of cement there are 3 shovels of sand, so 5 × 3 = 15 shovels.

Question 2

What is the circumference of a circle with a diameter of 10 inches? (Use π ≈ 3.14)

Accepted Answer

31.4 inches

Answer

Circumference = π × diameter = 3.14 × 10 = 31.4 inches.

Question 3

An apprentice completes 2/5 of a job on Monday. What fraction remains?

Accepted Answer

3/5

Answer

1 − 2/5 = 3/5 of the job remains to be completed.

Question 4

If material costs $2.75 per foot and you need 20 feet, what is the total cost?

Accepted Answer

$55.00

Answer

$2.75 × 20 = $55.00 total cost.

Question 5

What is the square root of 144?

Accepted Answer

12

Answer

12 × 12 = 144, so the square root of 144 is 12.

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