Friday Puzzler 9th May

By Morwenna Evans Friday, May 9, 2014

friday puzzler bicycle

Put your brain to the test this Friday with our puzzler:

Helen rode her bike from home to the river, which is 4km away.

It took her 9 minutes. She rode home using a shorter route of 3 km.

This only took her 6 minutes.

What was Helen’s average speed, in km/h, for the trip to the river and back?

Comment below if you can get the answer.

Categories: Trivia