Lemmara logoLemmaraWorked solution

4024/12 Oct/Nov 2025, Question 1: Bar Charts and Composite Bar Charts

Cambridge O Level Mathematics 4024 · Paper 12 (Non-calculator) · Non-calculator · 5 marks

اقرأ هذا الحل مشروحاً بالعربي ←

The question, in short

From a list of 24 car colours, complete a frequency table for five colours and draw a bar chart, finishing the frequency axis scale.

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

Part (a) · 2 marks

Count each colour in the list and fill in the tally and frequency columns of the table.

  1. 1Count each colour (tally in fives): Blue 5, Grey 3, Red 6, Silver 8, White 2
  2. 2Check: 5 + 3 + 6 + 8 + 2 = 24 cars
  3. 3Blue 5, Grey 3, Red 6, Silver 8, White 2

Answer| Blue | 5 | | Grey | 3 | | Red | 6 | | Silver | 8 | | White | 2 |

Part (b) · 3 marks

Draw a bar chart of the frequencies, completing the scale on the frequency axis.

  1. 1Frequency axis: linear scale from 0 going up in 1s (0, 1, 2, … 8)
  2. 2Draw 5 bars of equal width with equal gaps
  3. 3Bar heights: Blue 5, Grey 3, Red 6, Silver 8, White 2

AnswerCorrect bar chart with linear scale starting from 0 on frequency axis

Stuck on a step? Read the free lesson: Bar Charts and Composite Bar Charts

Practise more bar charts and composite bar charts questions

Real 4024 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 bar charts and composite bar charts

Also searched as: 4024/12/O/N/25 · 4024_w25_qp_12 · 4024 w25 12 · question 1.
Lemmara is an independent study tool, not affiliated with or endorsed by Cambridge International Education. The worked solutions are Lemmara’s own.