Quiz about MIRACLE IGCSE MATHS REVISION

Question 1

Find the HCF of 12 and 16...

Accepted Answer

4

Answer

2

Answer

6

Answer

8

Question 2

Find the LCM of 12 and 16...

Accepted Answer

48

Answer

36

Answer

64

Answer

96

Question 3

List the first 5 multiples of 3

Accepted Answer

3, 6, 9, 12, 15

Answer

3, 6 10, 15, 20

Answer

1, 3

Answer

6, 9, 12, 15, 18

Question 4

A prime number is...

Accepted Answer

a number that has only two factors.
(1 and itself)

Answer

a number that has only one factor.

Answer

a number that has at least two factors.

Answer

a number that has more than two factors.

Question 5

write 140 as the product of its prime factors

Accepted Answer

2x2x5x7

Answer

2x2x2x2

Answer

3x2x3x5

Answer

7x9x5x2

Question 6

Which is a factor of 15?

Accepted Answer

3

Answer

2

Answer

4

Answer

6

Question 7

Which of the following numbers is not composite?

Accepted Answer

61

Answer

24

Answer

40

Answer

66

Question 8

Find the HCF of 32 and 80.

Accepted Answer

16

Answer

8

Answer

24

Answer

32

Question 9

A number is expressed as

2³x 3³x 5.

What is the number?

Accepted Answer

1080

Answer

11

Answer

72

Answer

270

Question 10

What is a rational number ?

Accepted Answer

A rational number is a number that can be written as a fraction.

Answer

A rational number  is a number that cannot be written as a fraction.

Answer

A rational number cannot be a repeating  decimal.

Question 11

Order 75%, 9/10 and 0.09 from Greatest to Least.

Accepted Answer

9/10, 75%, 0.09

Answer

75%, 9/10, 0.09

Answer

0.09, 75%, 9/10

Question 12

What is 98.907 rounded to 1 significant figure?

Accepted Answer

100

Answer

98.9

Answer

90

Answer

98.91

Question 13

Find the nth term of...
1,3,5,7...

Accepted Answer

2n-1

Answer

2n+1

Answer

2n+2

Answer

2n-2

Question 14

What is the next number in the following sequence?

8, 14, 20, 26, ...

Accepted Answer

32

Answer

30

Answer

34

Answer

36

Question 15

Which number is the largest?

33%, 1/3, 0.3 or 0.03

Accepted Answer

1/3

Answer

33%

Answer

0.3

Answer

0.03

Question 16

The following number has been rounded to 1 significant figure.

800

Find the lower bound...

Accepted Answer

750

Answer

850

Answer

849

Answer

749

Question 17

The following number has been rounded to the nearest metre.

370m

Find the upper bound...

Accepted Answer

370.5m

Answer

375m

Answer

370.05m

Answer

375.5m

Question 18

Convert 3.41 to a percentage

Accepted Answer

341%

Answer

34.1%

Answer

0.341%

Answer

0.0341%

Question 19

What is 30% as a decimal?

Accepted Answer

0.3

Answer

0.333...

Answer

3/10

Answer

3

Question 20

Convert 40% to a fraction

Simplify as much as possible

Accepted Answer

2/5

Answer

⁴⁰/₁₀₀

Answer

4/10

Answer

1/4

Question 21

What would you do first in the following equation?

10 - 4 x (1 + 5) =

Accepted Answer

brackets

Answer

subtraction

Answer

multiplication

Answer

division

Question 22

What is 98.907 rounded to 1 significant figure?

Accepted Answer

100

Answer

98.9

Answer

90

Answer

98.91

Question 23

2x + 3(5x - 7) = 47

Accepted Answer

4

Answer

1

Answer

2

Answer

3

Question 24

Question 24.

Accepted Answer

7

Answer

1/7

Answer

47/36

Answer

23

Question 25

Factorsie x² +4x -32

Accepted Answer

(x + 8)(x - 4)

Answer

(x - 8)(x + 4)

Answer

(x + 8)( x + 4)

Answer

(x - 8)(x - 4)

Question 26

What is the LCM of 32 and 40?

Accepted Answer

160

Answer

180

Answer

140

Answer

200

Question 27

What is the solution?

Accepted Answer

(1, -1)

Answer

(-1, 1)

Answer

(0, -2)

Answer

(2, 0)

Question 28

Find the nth term of...
1,3,5,7...

Accepted Answer

2n-1

Answer

2n+1

Answer

2n+2

Answer

2n-2

Question 29

How many times does this object STOP moving?

Accepted Answer

Once

Answer

None

Answer

Twice

Answer

Three times

Question 30

Write the equation of the line.

Accepted Answer

y=(-3/4)x-3

Answer

y=-3x-4

Answer

y=-4x-3

Answer

y=(-4/3)x-3

Question 31

A wildlife reserve has a population of 70 elephants. A group of researchers trapped 30 elephants and recorded their vital statistics. Of the trapped elephants, 24 were female. If that rate holds true for the entire population of 70 elephants, how many female elephants are on the wildlife reserve?

Accepted Answer

56

Answer

204

Answer

100

Answer

216

Question 32

.

Accepted Answer

No they're not similar

Answer

Yes they're similar

Answer

Cannot be determined

Question 33

Find the size of angle y.

Accepted Answer

45o

Answer

57o

Answer

78o

Answer

90o

Question 34

Question 34.

Accepted Answer

26.97cm3

Answer

21.78cm3

Answer

24.78cm3

Answer

25.23cm3

Question 35

Joanna drives for 400km at an average speed of 80km/h. How long was her journey?

Accepted Answer

Joanna's journey was 5hrs long

Answer

Joanna's journey was 10hrs long

Answer

Joanna's journey was 20hrs long

Answer

Joanna's journey was 15hrs long

Question 36

Question 36.

Accepted Answer

(x+3)/(x+2)

Answer

6/5x

Answer

(x-4)/(x-2)

Answer

(x+3)/(x-4)

Question 37

After 4 minutes a submarine has submerged 600 feet below sea level. After 10 minutes it has reached a depth of 1,500 feet and after 25 minutes it is 3,750 feet below sea level. What is the constant of proportionality at which the submarine dives?

Accepted Answer

150

Answer

300

Answer

3750

Answer

600

Question 38

What is
the Bearing
of A
from B?

Accepted Answer

045

Answer

45

Answer

130

Answer

135

Question 39

Find side a?

Accepted Answer

12.12

Answer

10

Answer

8.08

Answer

14

Question 40

What is the volume of the prism?

Accepted Answer

60 cubic cm

Answer

90 cubic cm

Answer

120 cubic cm

Answer

150 cubic cm

Question 41

Two tangents CD and CB intersect circle A. Find the length of the tangent segment BC.

Accepted Answer

14

Answer

2

Answer

3

Answer

9

Question 42

what are the values of c and d?

Accepted Answer

c = 142, d = 109

Answer

c = 218, d = 71

Answer

d = 109, c = 71

Answer

c = 142, d = 218

Question 43

Write the following as one fraction...

Accepted Answer

17y / 30

Answer

3y / 11

Answer

3y / 30

Answer

2y / 30

Question 44

Person A and person B are sharing money in the ratio 4:2. Person A has $60 more than person B. How much does person B have?

Accepted Answer

$30

Answer

$10

Answer

$50

Answer

$15

Question 45

The angles of a triangle are in the ratio 3:1:2. What type of triangle is this?

Accepted Answer

Right Angle

Answer

Isosceles

Answer

Acute

Answer

90

Question 46

Make x the subject:

Accepted Answer

x = by + v

Answer

x = yb - v

Answer

x = by - v

Question 47

Fully factorise the following expression...

12x - 8

Accepted Answer

4(3x - 2)

Answer

3(4x - 3)

Answer

3(4x - 2)

Answer

4(3x - 1)

Question 48

Expand and simplify

(x - 7)(x + 7)

Accepted Answer

x2 - 49

Answer

x² + 7x - 49

Answer

x² - 7x + 49

Answer

x2 + 49

Question 49

(3x²y³)²

Accepted Answer

9x4y6

Answer

3x4y5

Answer

6x4y6

Answer

9xy

Question 50

Question 50.

Accepted Answer

4x3

Answer

x4

Answer

3x3

Answer

4x2

Question 51

Identify the shaded area...

Accepted Answer

B

Answer

A

Answer

A'

Answer

B'

Question 52

Solve the following quadratic...

x² + 11x + 24 = 0

Accepted Answer

x = -3, -8

Answer

x = 2, 12

Answer

x = -4, -6

Answer

x = -2, -12

Question 53

Convert this decimal to a percentage  0.175

Accepted Answer

17.5%

Answer

1750%

Answer

175%

Answer

1.75%

Question 54

Find the measure of angle 1.

Accepted Answer

44o

Answer

28o

Answer

136o

Answer

6o

Question 55

Solve for  y.

Accepted Answer

y = 10

Answer

y = 20

Answer

y = 120

Answer

y = 60

Question 56

Write 135 as the product of it's prime factors...

Write your answer in index form...

Accepted Answer

33 x 5

Answer

32 x 52

Answer

3 x 3 x 3 x 5

Answer

3 x 3 x 5 x 5

Question 57

What is the speed of a jet plane that flies 7200 km in 9 hours ( in km/hr)

Accepted Answer

800 km/hr

Answer

80 km/hr

Answer

800 hrs

Answer

64,800 km/hr

Question 58

What is the equation to calculate time?

Accepted Answer

time = distance/speed

Answer

time = speed/distance

Answer

time = speed x distance

Answer

time = distance x speed

Question 59

What two types of measurements make up DENSITY?

Accepted Answer

Mass and Volume

Answer

Temperature and Mass

Answer

Grams and Centimeters

Answer

Volume and Weight

Question 60

Solve:

3x - y = 11

x + y = 5

Accepted Answer

x = 4y = 1

Answer

x = 4

y = -1

Answer

x = -4

y = 1

Answer

x = -4

y = -1

Question 61

Compare the numbers
0.632 0.609

Accepted Answer

>

Answer

<

Answer

=

Answer

?

Question 62

17.34 - 1.001

Accepted Answer

16.339

Answer

89

Answer

16

Answer

163.39

Question 63

What is 3/4 written as a decimal?

Accepted Answer

All of the above

Answer

0.75

Answer

0.750

Answer

0.7500

Question 64

#8.  Tom has 7/ 8 cup of olive oil. He uses 1/2 cup to make salad dressing and 1/4 cup to make tomato sauce. How much olive oil does Tom have left?

Accepted Answer

1/8

Answer

5/4

Answer

5/8

Answer

3/8

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