Win Cash Prizes by attempting Maths' Week Competitions

Win Cash Prizes by attempting Maths’ Week Competitions

Please attempt the following puzzles and hand up your solutions to your maths teacher by 4pm on Thursday. Don’t forget, big prizes up for grabs!

 

6. In the grid, leave 42 of the 49 numbers exactly where they are but change the positions of the remaining seven in such a way that in every row, column and long diagonal line of seven squares, the seven numbers total exactly 105.

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7. A farmer thought to himself ‘If a half of my sheep were cows and a third of my cows were pigs and a quarter of my pigs were sheep, I would have the same number of each animal. His total stock is the lowest number that makes this statement true. How many of each animal does he have?