# Ratios And Proportions Practice Test: Quiz!

10 Questions | Total Attempts: 189  Settings  The ratio is a way to compare two quantities by using division as in miles per hour, whereas; the proportion is an equation that derives the two ratios. This quiz will assess your knowledge of the Ratios and Proportions Concept. Let's try it out. All the best!

• 1.
The smallest common multiple of two or more numbers, is known as what?
• A.

Ratio

• B.

Rate

• C.

Cross product

• D.

Least common multiple

• E.

Unit Rate

• 2.
A relationship in quantity, amount, or size between two or more things, is known as what?
• A.

Ratio

• B.

Rate

• C.

Cross product

• D.

Least common multiple

• E.

Unit rate

• 3.
Proper or equal share, describes what?
• A.

Least common multiple

• B.

Ratio

• C.

Proportion

• D.

Rate

• E.

Cross product

• 4.
Reckoned value, describes what?
• A.

Least common multiple

• B.

Ratio

• C.

Proportion

• D.

Rate

• E.

Cross product

• 5.
Either of the two products obtained by multiplying the two means or the two extremes of a proportion, describes what?
• A.

Least common multiple

• B.

Ratio

• C.

Proportion

• D.

Rate

• E.

Cross product

• 6.
Ratios that name the same comparison, is what?
• A.

Proportion

• B.

Rate

• C.

Cross product

• D.

Equivalent ratio

• E.

Unit rate

• 7.
A rate in which the second quantity in the comparison is one unit, is what?
• A.

Proportion

• B.

Rate

• C.

Cross product

• D.

Equivalent Ratio

• E.

Unit rate

• 8.
Susan found a bag of 20 golf balls at a garage sale and bought the bag for 75 cents. Express the ratio of cost to the number of balls in lowest terms.
• A.

20:75

• B.

75:20

• C.

4:15

• D.

15:4

• 9.
A gardening magazine suggested that a good mix for a flower bed is 20 pails of clay dirt, 15 pails of sand, and 5 pails of manure. Express this in lowest terms.
• A.

20:15:5

• B.

10:7:3

• C.

4:3:1

• D.

4:3:2

• 10.
A stackable CD rack holds 25 CDs and costs \$4. Charlie has a collection of 150 CDs. How much will it cost him to buy enough racks to hold all of his CDs?
• A.

\$4

• B.

\$24

• C.

\$25

• D.

\$150

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