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Ratio and Proportion MCQ

1. There are 15 pairs of pants in my closet. 9 of those pants are jeans. What is the percentage of jeans in my closet?

15 %

9 %

60 %

100 %

Answer

Correct Answer: 60 %

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2. Finding how much ONE quantity would be:

(per gallon, per ounce, per person)

Proportion

Unit rate

Unit

Ratio

Answer

Correct Answer: Unit rate

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3. Which ratio is equivalent to 3:4?

9:12

None of these

12:9

6:12

Answer

Correct Answer: 9:12

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4. Marks and Spencer is a large UK retailer. What does it sell?

Houses

Cars

Food, furniture and clothes

Televisions, computers and other electronic goods

Answer

Correct Answer: Food, furniture and clothes

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5. Marks and Spencer would like to sell its customers to pay as quickly as possible

True

False

Answer

Correct Answer: True

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6. Solve for x: -2x + 6 ≤ 20

X ≥ -7

X ≤ -7

X ≥ 7

Answer

Correct Answer: X ≤ -7

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7. Shawna reduced the size of a rectangle to a height of 2 in. What is the new width if it was originally 24 in wide and 12 in tall?

4 inches

6 inches

1 inch

Answer

Correct Answer: 4 inches

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8. In 1990, Mary's height was 61 cm. In 2000, she grew to 130 cm. Find the percent increase in Mary's height.

13% increase

113% increase

50% increase

Answer

Correct Answer: 113% increase

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9. Comparing two different variables:

Miles to gallons, sandwiches to people, etc.

Unit

Rate

Ratio

Proportion

Answer

Correct Answer: Rate

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10. 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 number of balls in lowest terms.

20:75

75:20

4:15

15:4

Answer

Correct Answer: 15:4

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11. If Marks and Spencer sell a chicken salad for £4.25. It costs the company £1 to make each salad. What is the gross profit from selling 5 salads?

£5.00

£21.25

£16.25

Answer

Correct Answer: £16.25

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12. Which answer demonstrates the distributive property?

5 • (6 • x) = 6 • (x • 5)

3 + x = x + 3

4(x + 3) = 4x + 12

Answer

Correct Answer: 4(x + 3) = 4x + 12

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13. Bobby has a bag full of marbles that he keeps in his room. He has 35 red marbles and 25 green marbles. Find the ratio of red marbles to green marbles, and put it in its simplest form.

7 to 5

5 to 7

35:25

Answer

Correct Answer: 7 to 5

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14. Jim found out that after working for 9 months he had earned 6 days of vacation time. How many days will he have earned after working for two years?

16 days of vacation time

36 days of vacation time

20 days of vacation time

Answer

Correct Answer: 36 days of vacation time

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15. Aram estimates that he needs 120 pails of soil for his new flower bed. How many pails of manure will he need?

Answer

Correct Answer: 15

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16. 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?

$25

$150

$24

Answer

Correct Answer: $24

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17. Five kids in our class of 10 students were given a reward for good behaviors. What percent of children received a reward?

75 %

25 %

50 %

100 %

Answer

Correct Answer: 50 %

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18. Determine whether the change is an increase or decrease. Then obtain the percent of increase or decrease. Round the answer to the nearest whole percent. old 78 years new: 114 years

44.15% increase

49.15% decrease

46.15% increase

Answer

Correct Answer: 46.15% increase

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19. 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.

10:7:3

4:3:2

4:3:1

20:15:5

Answer

Correct Answer: 4:3:1

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20. Review: Percent means out of.

1,000

100

Answer

Correct Answer: 100

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