Quiz about Decimals, Percentage, Ratio and Patterns

Question 1

Express 0.85 as a fraction in its lowest terms.

Accepted Answer

17/20

Answer

17/25

Answer

19/20

Answer

19/25

Question 2

The sum of 0.45 + 0.3 = 0.75 can be expressed using fractions as:

Accepted Answer

45/100 + 3/10 = 75/100

Answer

45/100 + 3/100 = 48/100

Answer

4.5/100 + 3/10 = 4.8/100

Answer

45/10 + 30/100 = 75/100

Question 3

Express 4/10 as a percent

Accepted Answer

40%

Answer

44%

Answer

4%

Answer

0.4%

Question 4

Tanya got 35 out of 50 in test. What percent is that?

Accepted Answer

70%

Answer

35%

Answer

60%

Answer

30%

Question 5

What percent is the shaded part of the square?

Accepted Answer

50%

Answer

35%

Answer

75%

Answer

25%

Question 6

What is 85% of 20?

Accepted Answer

17

Answer

18

Answer

19

Answer

16

Question 7

A fruit vendor sold oranges for $30 that originally cost $24. What was the percentage profit?

Accepted Answer

25%

Answer

6%

Answer

20%

Answer

15%

Question 8

A toy was bought for $80 and sold at a 10% loss. What was the selling price?

Accepted Answer

$72

Answer

$70

Answer

$78

Answer

$75

Question 9

A real horse is 1.8 m high. A statue of the horse is 3 m high. What is the ratio of the height of the horse to the height of the statue?

Accepted Answer

3:5

Answer

5:3

Answer

2:3

Answer

6:1

Question 10

The tallest building in the world, the Burj Khalifa in Dubai, is 828 meters tall. A model of the building is made using the ratio
1 : 5,000.
How high is the model in centimeters?

Accepted Answer

16.56 cm

Answer

1,656 cm

Answer

165.6 cm

Answer

1.656 cm

Question 11

A class of 36 students has 12 girls. What is the ratio of girls to boys?

Accepted Answer

1:2

Answer

2:1

Answer

3:1

Answer

1:3

Question 12

A box contains spheres and cubes. The ratio of cubes to spheres is 6:5. If there are 15 spheres, how many cubes are in the box?

Accepted Answer

18

Answer

12

Answer

9

Answer

24

Question 13

What is the rule for this pattern: 2, 4, 8, 16, 32?

Accepted Answer

Multiply by 2

Answer

Subtract 2

Answer

Add 2

Answer

Multiply by 3

Question 14

Identify the rule for this pattern: 50, 45, 40, 35, 30

Accepted Answer

Subtract 5

Answer

Subtract 10

Answer

Multiply by 2

Answer

Add 10

Question 15

How many dots are there in the next of this pattern term?

Accepted Answer

20

Answer

18

Answer

23

Answer

25

Question 16

What is the next number in this pattern: 1, 1, 2, 3, 5, 8, 13, 21, . . .

Accepted Answer

34

Answer

39

Answer

45

Answer

33

Question 17

What is the 15th number in this pattern: 4, 8, 12, 16, 20, . .

Accepted Answer

60

Answer

64

Answer

68

Answer

72

Decimals, Percentage, Ratio and Patterns

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