BM2 Practice Quiz Math 1

What is the value of 'a' in the proportion 5/8 = a/24?

• 15

• 10

• 20

• 12

What is the value of 'b' in the proportion 7:8 = 21:b?

• 24

• 28

• 32

• 26

What is the value of 'd' in the proportion 60/360 = d/45?

• 7.5

• 6.5

• 8

• 9

Express the ratio of 3 inches to 12 inches as a simple ratio.

• 1:3

• 1:4

• 3:1

• 4:1

Express the ratio of 50 cents to 2 dollars as a simple ratio.

• 1:4

• 1:40

• 25:1

• 1:25

If a truck can travel 90 km on 15 litres of diesel, how far can it travel on 30 litres?

• 160 km

• 180 km

• 200 km

• 220 km

A steel I-beam 12 ft. long weighs 695 lbs. How much will a similar I-beam weigh if it is 17 ft. long?

• 984.58

• 1042.5 lbs

• 1237.5 lbs

• 895 lbs

The cost of 150 ft. of 5/8 inch steel rod is $45.00. How much will 535 ft. of the same rod cost?

• $171.00

• $160.50

• $142.50

• $135.00

A blueprint has a scale of 3/8 inch to one foot. What length of line is required to represent a 12.5 ft. long piece of 1/4 inch steel plate?

• 4 11/16 inches

• 3 3/4 inches

• 5 5/8 inches

• 4 7/8 inches

If 1/2 inch on a drawing represents 1 yard on an actual job, how long a line is required to represent the actual length of 18 yards?

• 9 inches

• 10 inches

• 8 inches

• 9 1/2 inches