How many triangles can you see in this picture?

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How many triangles can you see in this picture?
2
How would you balance these 6 weights? 5kg,
11kg, 29kg, 19kg, 7kg and 23kg
3

• How many squares are there on a chessboard?

4

• 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?

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6

• 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?

7

• 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?

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• 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?

10

• 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?

11

• 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?