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Quiz For Ratio and Proportion

The document contains a 10 question quiz on ratios and proportions. It tests identifying equivalent ratios, reducing ratios to simplest form, determining ratios based on given quantities, identifying terms in proportions, and properties of proportions. The questions cover topics including equivalent ratios, ratios in simplest form, ratios of quantities, identifying terms in proportions, and properties that must be true for quantities to be in proportion.

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1K views2 pages

Quiz For Ratio and Proportion

The document contains a 10 question quiz on ratios and proportions. It tests identifying equivalent ratios, reducing ratios to simplest form, determining ratios based on given quantities, identifying terms in proportions, and properties of proportions. The questions cover topics including equivalent ratios, ratios in simplest form, ratios of quantities, identifying terms in proportions, and properties that must be true for quantities to be in proportion.

Uploaded by

BadronDimangadap
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Download as DOCX, PDF, TXT or read online on Scribd
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QUIZ FOR RATIO AND PROPORTION

Underline the correct answer

1. A ratio equivalent to 3: 7 is:

(a) 3 : 9; (b) 6 : 10; (c) 9 : 21; (d) 18 : 49

2. The ratio 35: 84 in simplest form is:

(a) 5 : 7; (b) 7 : 12; (c) 5 : 12; (d) none of these

3. In a class there are 20 boys and 15 girls. The ratio of boys to girls is:

(a) 4 : 3; (b) 3 : 4; (c) 4 : 5; (d) none of these

4. Two numbers are in the ratio 7: 9. If the sum of the numbers is 112, then the larger number
is:

(a) 49; (b) 72; (c) 63; (d) 42

5. The ratio of 1.5 m to 10 cm is:

(a) 1 : 15; (b) 15 : 10; (c) 10 : 15; (d) 15 : 1

6. The ratio of 1 hour to 300 seconds is:

(a) 1 : 12; (b) 12 : 1; (c) 1 : 5; (d) 5 : 1

7. In 4: 7 : : 16 : 28, 7 and 16 are called

(a) extreme terms; (b) middle terms; (c) b middle and c extreme term; (d) none of these

8. The first, second and fourth terms of a proportion are 16, 24 and 54 respectively. Then the
third term is:

(a) 36; (b) 28; (c) 48; (d) 32

9. If 12, 21, 72, 126 are in proportion, then:

(a) 12 × 21 = 72 × 126; (b) 12 × 72 = 21 × 126; (c) 12 × 126 = 21 × 72; (d) none of these
10. If x, y and z are in proportion, then:

(a) x : y : : z : x; (b) x : y : : y : z; (c) x : y : : z : y; (d) x : z : : y : z

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