All topics

Edexcel GCSE Mathematics · 1MA1

Ratio, proportion & change

0 of 7 reviewed · Working saved in this browser

Edexcel format & instructions

Show all working in the spaces provided. Paper 1H is non-calculator; Papers 2H and 3H permit a calculator. Diagrams are not to scale unless stated.

Original topic practice. This set is not a full official paper. Written work is self-reviewed against our worked solutions.

  • 1H · Non-calculator · 80 marks · 90 minutes
  • 2H · Calculator · 80 marks · 90 minutes
  • 3H · Calculator · 80 marks · 90 minutes
Official specification ↗ · Official past papers ↗
QUESTION PAPER
Mathematics · Higher TierHigher Tier · Non-calculator practice · 1MA1
Torus Maths original · Edexcel style
1

Two pumps can fill a tank in 12 minutes and 18 minutes respectively. A drain can empty the full tank in 36 minutes. All three operate at constant rates. The tank is initially empty.

(a)

Both pumps and the drain are switched on. Find the time taken to fill the tank if all three continue operating.

(4)

(b)

Instead, the 12-minute pump fails after 3 minutes. The other pump and the drain continue operating. Find the total time needed to fill the tank.

(4)

(Total for Question 1 is 8 marks)

Question reference: edexcel-gcse-retry-rates-01Report a question →
Need a nudge?Three small hints · no answer revealed