Higher November 2018 Paper 4 Q2

OCRHigherCurrent spec5 marksCompound MeasuresUnits & Time

2 Hector can run 400 metres in 66 seconds.

(a) Use this information to show that he could run 5 kilometres in less than 14 minutes. [4]
(b) Hector tries to run 5 kilometres in less than 14 minutes.
Give one reason why he might not achieve this. [1]