GCSE Maths Practice: compound-measures

Question 9 of 10

This question checks correct conversions between compound units.

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\( \begin{array}{l} \text{Which are correct conversions between compound units?} \end{array} \)

Select all correct options:

\( \text{60 km/h = 1 km/min} \) \( \text{0.25 litres/second = 15 litres/minute} \) \( \text{£480 for 40 hours = £12/hour} \) \( \text{120 km in 2 hours = 55 km/h} \)

Always apply correct conversion factors and double-check.

Examples: speed km/h → km/min, flow litres/sec → litres/min.