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# Tyneside Average Speed

A van travels from Newcastle to South Shields at an average speed of 30 mph and returns by the same route at an average speed of 40 mph.

What is the van's average speed for the whole journey?

If you liked this problem, here is an NRICH task which challenges you to use similar mathematical ideas.

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A van travels from Newcastle to South Shields at an average speed of 30 mph and returns by the same route at an average speed of 40 mph.

What is the van's average speed for the whole journey?

If you liked this problem, here is an NRICH task which challenges you to use similar mathematical ideas.

This problem is taken from the UKMT Mathematical Challenges.

You can find more short problems, arranged by curriculum topic, in our short problems collection.

Brian swims at twice the speed that a river is flowing, downstream from one moored boat to another and back again, taking 12 minutes altogether. How long would it have taken him in still water?

At Holborn underground station there is a very long escalator. Two people are in a hurry and so climb the escalator as it is moving upwards, thus adding their speed to that of the moving steps. ... How many steps are there on the escalator?