Articles - Conundrum: Battle the Brainteasers

 Your brain needs exercising in order to function effectively, let it go and your mental processing can become sluggish. Exercise your brain power with these brainteasers, riddles and puzzles!

  

 1. 100 Politicians are attending a political convention. You know that the politicians are either corrupt or honest, nothing 

     in between.

     There is at least one honest politician.

     If you randomly choose 2 politicians at least one of them will be corrupt.

     How many politicians are corrupt and how many are honest?

  

 2. A mother is 21 years older than her son.

     In 6 years time the son will be 5 times younger than the mother.

     Where is the father?

  

 3. What number is missing from the sequence below?

     8 5 4 9 1 _ 6 10 3 2 0

  

 4. You have 12 coins, one of which is fake. The fake coin is indistinguishable from the rest except that it is either

     heavier or lighter, but you don't know which. Can you determine which is the fake coin and whether it is lighter or  

     heavier using a balance scale and only 3 weighings?

  

 5. Exactly how many minutes is it before seven o'clock, if 40 minutes ago it was three times as many minutes past

     two o'clock?

  

  

 Got the answer or need a hint? Email article@actuarialpost.co.uk to submit answers or get a hint!