BrainBashers - Random Puzzles

Puzzle 17

What number comes next in this sequence:

31 · 30 · 31 · 31 · ?
Clue: the answer is NOT 30!

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Puzzle 18

What day would tomorrow be if …

… yesterday was five days before the day after Sunday's tomorrow?

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Puzzle 19

The map below shows the street locations of a city. Position three police officers such that the entire length of every street can be seen by at least one officer.

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Puzzle 20

A farmer buys chicken feed for 47c per tonne, pig feed for $1.23 per tonne and cattle feed for $1.44 per tonne. The feed can only be purchased by the tonne, and part tonnes aren't sold.

How much of each would they have if they bought 100 tonnes for $100?

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