A rectangle has an area of 20 cm2. Its length and width are enlarged by scale factor 3. Find the area of the enlarged rectangle.
Answer
180 cm3
160cm3
Question 10
Question
A cylinder has a radius of 4 cm and volume of 800 cm3. A similar cylinder has a volume of 200 cm3. Find the radius of the smaller cylinder.
Is the answer 2.75?
Answer
True
False
Question 11
Question
The nth term of a sequence is given by the expression:
n2 + 8
Write down the first four terms of the sequence.
Answer
9, 12, 17, 24
18, 24, 34, 48
Question 12
Question
Work out the value of 4a + 2b when a = 4 and b = 3.
Answer
22
24
26
Question 13
Question
The histogram show the distribution of scores of pupils in a maths exam.
How many pupils scored less than 40 percent?