The answer to last week’s challenge is: Q: There is a low railway bridge in your suburb. One day, you see a large truck waiting near the underpass. The driver tells you that his truck is 4cms higher than the indicated height of the gap. How can you help him to get through the underpass?

A: The driver can lower the height of the truck by letting some air out of the tyres.

This week’s thinking challenge is …

Q: What can run but never walks, has mouth but never talks, has a head but never weeps and has a bed but never sleeps?

The answer along with a new challenge, next week.

Have an excellent weekend!