BRAIN TEASERS

1 A coffee and two cakes cost €3.10 and two coffees and one cake cost €3.80. How much is a coffee and how much is a cake?

2 My age is four times what it was four years ago minus twice what it will be in four years’ time. What is my age?

3 Goats and cows and pigs have I; I won’t make it easy, but I won’t lie - I have three times as many pigs as goats which are a third the number of cows which with the bull are half of all my stock

4 A rocket blasts off from Earth heading for Mars, getting faster as it travels. In fact, the rocket’s speed doubles every week that it’s in space. If the rocket lands on Mars in week 12, in which week was it halfway there?

5 There are 6 teams in a group. Each team plays every other team twice. How many games are there in total?