Primary 6 Problem Sums/Word Problems - Try FREE

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(Single Attempt)


Roger and Margaret made a journey to a historical site located 864 km away from their city.

Margaret left the city at 7 a.m. which was 1 h 40 minutes earlier than Roger.

However, Roger reached the historical site 2 h 20 minutes earlier than Margaret.

If the average speed of Roger was 72 km/h, find Margaret's average speed.


The correct answer is : 54