How many triangles can you see in this picture?

How would you balance these 6 weights?

5kg, 11kg, 29kg, 19kg, 7kg and 23kg

How many squares are there on a chessboard?

A train which Is 200m long enters a 1 km long tunnel.

If the train is travelling 100 metres per second how long before the end of the train leaves the tunnel?

• I have 4 counters numbered 1,2,3,4.

• Use each counter once only.

• What is the largest number I can achieve by making 2 digit numbers and multiplying them?

There are some goats and ducks around a pond. They have 40 heads and 88 feet between them. How many goats are there? How many ducks are there?

The security door at the football college has a door code of 1966.

The door can, in fact be opened by any combination of these numbers (e.g. 6196). How many different combinations are there to open the door?

In an Indian restaurant 2 samosas and 3 pakoras cost £3.10, but 3 samosas and 2 pakoras cost £2.90.

How much is one pakora?

Five people share a tent for a holiday for 5 nights. They all agree to say goodnight to everyone else in the tent every night.

How many times is the word goodnight spoken throughout the holiday?