Fractions, percents, Proportions, and Angles

The maintenance department ordered $3,450 worth of supplies from a valve and fitting supplier. The supplier will allow a 15% discount because of the large order. How much will the maintenance department have to pay for the supplies?

A. $2,954.50

B. $3,406.45

C. $2,932.50

D. $3,398.25

You've been asked to apply a weed killer to the lawn around your plant. The directions on the bottle call for mixing 3 ounces of the weed killer with 2 gallons of water. The sprayer you have holds 5 gallons. To completely fill the sprayer with a proper mixture, how many ounces of weed killer must you use?

A. 31/3

B. 61/5

C. 71/2

D. 52/3

The sum of 13/41 and 27/82 is

A. 40/123

B. 40/82

C. 53/82

D. 53/123

You find the area of a capacitor plate by multiplying the length by the width. What is the area of a capacitor plate whose length is 3/8 inches and width is 3/8 inches?

A. 9/64 square inches

B. 49/64 square inches

C. 63/71 square inches

D. 24/71 square inches

What is the product of 2/8 and 3/5?

A. 5/13

B. 7/11

C. 5/12

D. 3/20

How many pieces of pipe 11/2 feet long can you cut from a 12-foot pipe?

A. 71/2

B. <18

C. 101/2

D. 8

Corrugated specialties produces boxes of all kinds. During a normal month, they manufacture an average of 67,500 shirt-size boxes. During November and December, they've been told to increase production by 35%. How many boxes should they attempt to produce each month in November and December? (Note: This question requires two calculations.)

A. 23,450

B. 91,125

C. 23,625

D. 90,450

There are 15 computers in one department. Suppose 2/5 of them are color computers and the rest are monochrome. How many computers are monochrome?

A. 9

B. 2

C. 3

D. 6

What is the upper limit if a tolerance is given as 43/4 plus or minus 1/64?

A. 447/64

B. 449/64

C. 448/64

D. 445/64

Which one of the following pairs represents like fractions?

A. 3/2 and 2/3

B. 31/2 and 43/4

C. 5/6 and 10/12

D. 6/7 and 15/7

In a proportion, the two inside numbers are referred to as

A. ratios.

B. percents.

C. extremes.

D. means.

During a four-week period, you worked the following hours: week 1, 363/8 hours; week 2, 411/4 hours; week 3, 401/2 hours; and week 4, 383/8 hours. What is the average number of hours you worked in one week?

A. 391/8

B. 383/4

C. 393/8

D. 381/4

If it takes you 21/2 hours to assemble one unit, how many units will you complete in 15 hours? (Note: Change 21/2 to an improper fraction before calculating.)

A. 41/2

B. 3

C. 6

D. 11/2

Write the decimal .006 as a fraction.

A. 6/10

B. 6/100

C. 6/10,000

D. 6/1000

Change the decimal .251 to a percent.

A. 251%

B. 2.51%

C. 25.1%

D. .251%

What is the quotient of 8/11 divided by 4?

A. 210/11

B. 8/15

C. 2/11

D. 11/11

Express the fraction 3/8 as a decimal.

A. .180

B. .125

C. .380

D. .375

What is the sum of 35/24, 67/24, and 99/24?

A. 131/2

B. 142/3

C. 141/8

D. 187/8

A motor that's rated at 1/8 horsepower is used to drive a pump. How much horsepower will be applied to the pump if the motor delivers only 2/7 of its rated horsepower?

A. 7/16

B. 23/56

C. 1/28

D. 2/15

Express the fraction 2/7 as a rounded decimal.

A. 2.85

B. 2.86

C. .286

D. .285

What is the quotient of 3/4 7/8?

A. 5/8

B. 6/7

C. 21/32

D. 11/12

An angle that contains 12632' is a(an) __________ angle.

A. obtuse

B. straight

C. right

D. acute

Change 68.33% to a decimal.

A. .6833

B. 683.3

C. 68.33

D. 6.833

The lowest common denominator of 3/4, 4/5, and 2/3 is

A. 60.

B. 15.

C. 20.

D. 12.

An angle that measures 78 degrees 14 minutes and 16 seconds is a (an)_______ angle.

A. obtuse

B. straight

C. right

D. acute