Mental Maths Quiz

Question 1

What is 17 × 8?

Accepted Answer

136

Answer

126

Answer

134

Answer

144

Question 2

What is 25% of 200?

Accepted Answer

50

Answer

25

Answer

40

Answer

75

Question 3

What is 144 ÷ 12?

Accepted Answer

12

Answer

10

Answer

11

Answer

13

Question 4

What is 7 squared (7²)?

Accepted Answer

49

Answer

42

Answer

47

Answer

54

Question 5

What is 15% of 80?

Accepted Answer

12

Answer

8

Answer

10

Answer

15

Question 6

What is 1,000 − 347?

Accepted Answer

653

Answer

543

Answer

553

Answer

643

Question 7

What is the square root of 169?

Accepted Answer

13

Answer

11

Answer

12

Answer

14

Question 8

If a shirt costs £35 and is 20% off, what is the sale price?

Accepted Answer

£28

Answer

£24

Answer

£26

Answer

£30

Question 9

What is 2⁸ (2 to the power of 8)?

Accepted Answer

256

Answer

128

Answer

512

Answer

1024

Question 10

What is 0.25 × 0.4?

Accepted Answer

0.1

Answer

0.01

Answer

0.2

Answer

1.0

Question 11

What is 33 × 33?

Accepted Answer

1,089

Answer

1,099

Answer

1,109

Answer

1,189

Question 12

A train travels at 90 km/h. How far does it travel in 40 minutes?

Accepted Answer

60 km

Answer

36 km

Answer

54 km

Answer

72 km

Question 13

What is 3/4 + 2/3?

Accepted Answer

17/12

Answer

5/7

Answer

5/12

Answer

11/12

Question 14

What is 18% of 150?

Accepted Answer

27

Answer

24

Answer

30

Answer

33

Question 15

If you divide a pizza into 8 equal slices and eat 3, what percentage have you eaten?

Accepted Answer

37.5%

Answer

30%

Answer

32.5%

Answer

40%

Question 16

What is the next prime number after 17?

Accepted Answer

19

Answer

18

Answer

21

Answer

23

Question 17

What is 1.5 × 1.5?

Accepted Answer

2.25

Answer

2.0

Answer

2.5

Answer

3.0

Question 18

How many seconds are in 2 hours and 15 minutes?

Accepted Answer

8,100

Answer

7,500

Answer

8,400

Answer

8,700

Question 19

What is 40% of 40% of 1,000?

Accepted Answer

160

Answer

16

Answer

40

Answer

400

Question 20

If a rectangle has a length of 12 cm and width of 7 cm, what is its perimeter?

Accepted Answer

38 cm

Answer

42 cm

Answer

76 cm

Answer

84 cm