Lemmara logoLemmaraWorked solution

4MA1/2H Jan 2019, Question 8: Compound Measures

Pearson Edexcel International GCSE Mathematics A 4MA1 · Paper 2H (Higher) · Calculator · 6 marks

اقرأ هذا الحل مشروحاً بالعربي ←

The question, in short

A 3.5 kg wood block has density 0.65 kg/m³. Find its volume to 3 significant figures, and convert 630 kilometres per hour into metres per second.

Summarised in our own words. Use the official paper for the exact wording and any diagrams.

Part (a) · 3 marks

Using mass 3.5 kg and density 0.65 kg/m³, work out the volume of the block, giving the result to 3 significant figures.

  1. 13.5 / 0.65 = V
  2. 23.5 / 0.65 = 5.3846...
  3. 35.38

Answer5.38

Part (b) · 3 marks

Convert a speed of 630 kilometres per hour to metres per second.

  1. 1630 × 1000 = 630000
  2. 260 × 60 = 3600
  3. 3630000 / 3600 = 175
  4. 4175

Answer175

Stuck on a step? Read the free lesson: Compound Measures

Practise more compound measures questions

Real 4MA1 past-paper questions, marked on your working like the exam, with a worked solution for every part.

Practise free on Lemmara

More past-paper questions on compound measures

Also searched as: 4MA1 2H January 2019 · 4MA1/2H · 4ma1 jan19 2h · question 8.
Lemmara is an independent study tool, not affiliated with or endorsed by Pearson Edexcel. The worked solutions are Lemmara’s own.