Puzzle 21
Start in the bottom left corner and move either up or right, one square at a time, adding up the numbers. What is the largest total you can make?
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4 |
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2 |
1 |
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| 4 |
3 |
1 |
3 |
4 |
3 |
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1 |
4 |
2 |
1 |
2 |
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2 |
2 |
3 |
3 |
1 |
| 4 |
1 |
3 |
1 |
2 |
1 |
| 3 |
1 |
4 |
3 |
4 |
2 |
| 2 |
1 |
1 |
1 |
1 |
3 |
| 3 |
4 |
2 |
3 |
2 |
2 |
Note: this puzzle is not interactive, and the numbers cannot be clicked.
Puzzle Copyright © Kevin Stone
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answer
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Hint
The answer is over 35.
Answer
The largest total that can be made is 37.
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Puzzle 24
If you are running in a marathon, and you overtake the person in last place …
… what position are you now in?
workings
hint
answer
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Hint
Who is in last place?
Answer
This cannot happen, you cannot overtake the person who is in last place, as there is no-one behind them!
Overtaking = passing someone who is ahead on the same lap, this is a change of position, e.g. 4th moves up to 3rd.
Lapping = passing someone who is a full lap behind, this isn't a change of position, e.g. 4th stays 4th.