Daffodils are showing their resplendent sunny colours, and patches of grass are populated with purple crocuses. But with the temperatures outside still lending themselves to winter coat weather you would be forgiven for wondering when spring is coming. It officially started on Thursday (March 20) so warmer weather and more displays of beautiful flowers will spring up soon.

In the meantime, we have a tricky brainteaser, which is certain to get you scratching your head. All you have to do is…