Pearson Edexcel International GCSE (9–1) · MATHEMATICS A · Chapter
Number 6
18 practice questions
Practice questions
1–3 of 3 · Hard
Question 1
4 marks · Hard
Answer and see the solution →A 1.8 metre metal rod is to be cut into pieces, each measuring metres. How many full pieces can be cut from the rod, and what length of the rod will be left over? Give your answer as a mixed number where appropriate.
Question 2
4 marks · Hard
Answer and see the solution →The number is such that .
(a)[1 mark]Express as a single number.
(b)[3 marks]Simplify as a single fraction.
Question 3
4 marks · Hard
Answer and see the solution →A car travels s kilometres in t hours. It is known that s is directly proportional to t, and that when t = 2.5, s = 165.
a) Write down the formula connecting s and t.
b) What is the value of the constant of proportionality?
c) Calculate the value of s when t = 6.4.