Puzzle 1
My local greengrocer is a would-be mathematician.
She likes to arrange the apples in nice rows.
When she lays the apples in rows of 3, she has one left over.
And, when she lays them in rows of 5, she also has one left over.
Remarkably, she also has one left over when she arranges them in rows of 7 and 9.
But 11 seems to be the magic number, because in rows of 11 there are no apples left over.
How many apples does she have?
Puzzle Copyright © Kevin Stone
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Puzzle 2
I have a bottle and a straw which cost me 60 pence. The bottle cost 10 pence more than the straw. What does each item cost?
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Puzzle 3
Moving up or right, what is the largest total you can make, using the mathematical signs along the way?
| + | 4 | – | 2 | + | 2 |
| 2 | + | 2 | – | 2 | + |
| – | 1 | + | 2 | – | 4 |
| 2 | – | 1 | + | 1 | – |
| + | 1 | – | 2 | + | 3 |
| 3 | + | 3 | – | 4 | + |
Note: this puzzle is not interactive, and the numbers cannot be clicked.
Puzzle Copyright © Kevin Stone
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Puzzle 4
At last week's Girl Guide's picnic, four girls were tucking into their packed lunches. Jane had muffins but Denise didn't have orange juice. The girl who had blackcurrant juice also had scones and Frankie had blueberry juice. The girl who had cake also had strawberry juice, whereas Alice didn't have the strawberry juice nor toast. Can you work out who had which drink and which dessert?
Puzzle Copyright © Kevin Stone
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