GCSE GCSE Mathematics 3

Question 1

What is the interquartile range (IQR)?

Accepted Answer

The difference between the upper quartile and lower quartile

Answer

The difference between the maximum and minimum values

Answer

The middle value of a data set

Answer

The average of all values

Question 2

What does a negative correlation on a scatter graph show?

Accepted Answer

As one variable increases, the other decreases

Answer

As one variable increases, the other increases

Answer

There is no relationship between the variables

Answer

The data is incorrect

Question 3

What is 3.6 × 10⁴ written as an ordinary number?

Accepted Answer

36,000

Answer

360,000

Answer

3,600

Answer

0.000036

Question 4

In a right-angled triangle, the opposite side is 6 cm and the hypotenuse is 10 cm. What is sin θ?

Accepted Answer

0.6

Answer

0.8

Answer

0.75

Answer

1.2

Question 5

What is the equation of a line parallel to y = 2x + 1 passing through (0, −3)?

Accepted Answer

y = 2x − 3

Answer

y = −2x + 1

Answer

y = 3x − 3

Answer

y = 2x + 3

Question 6

What is the value of 2⁵?

Accepted Answer

32

Answer

10

Answer

16

Answer

25