February/March 2026 Paper 42

2026 · 23 questions · 41 parts · 100 marks

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Context for question 9
A tank in the shape of a sphere has radius 40 cm.
9(a)Solids Surface Area VolumeMedium3 marks
Show that the capacity of the tank is 268 litres, correct to the nearest litre.
Your answer
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9(b)
The tank contains 268 litres of water. The water from the tank is emptied into a cylindrical container at a rate of 300 ml per second.
9(b)(i)Ratio ProportionMedium3 marks
Calculate the time taken for the tank to be completely emptied. Give your answer in minutes and seconds, correct to the nearest second.

Answer

9(b)(ii)Solids Surface Area VolumeMedium3 marks
The cylindrical container has radius 50 cm and height 40 cm. Calculate the percentage of the container that is filled with water.
Working
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