A Flippo puzzle

Try to combine the four numbers below in order to make 24. You can use only the operations +, -, x and :.
no Level Numbers
1 24 / Very Easy 6 6 6 6
2 24 / Easy 1 2 2 10
3 24 / Not easy... 2 2 8 10
4 24 / Not easy... 4 7 8 8
5 24 / Not easy... 3 6 6 8
6 24 / Hard 3 7 9 9
7 24 / Hard 3 6 9 9
8 24 / Hard 2 2 3 4
9 24 / Hard 2 5 8 10
10 24 / Hard 4 7 8 9
11 24 / Very Hard 7 8 10 10
12 24 / Very Hard 3 3 7 8
13 24 / Very Hard 3 4 4 4
14 24 / Very Hard 2 4 8 9
15 24 / Very Hard 1 4 7 9
16 24 / Very Hard 3 7 8 9
17 24 / Very Hard 5 7 10 10
18 24 / Very Hard 1 1 3 5
19 24 / Very Hard 5 9 10 10
20 24 / !! Very Hard 4 4 10 10
Now you have to combine the 4-tuples in such a way you get 40. So the puzzle is much more complicated!
no Level Numbers
21 40 / Very easy 1 4 8 9
22 40 / Easy 2 3 5 10
23 40 / Not easy... 1 1 5 8
24 40 / Not easy... 2 2 4 10
25 40 / Not easy... 2 2 6 8
26 40 / Hard 2 4 5 8
27 40 / Hard 3 4 7 8
28 40 / Hard 5 8 8 8
29 40 / Hard 4 8 9 10
30 40 / Hard 2 3 7 9
31 40 / Very Hard 1 1 10 10
32 40 / Very Hard 1 3 3 8
33 40 / Very Hard 1 2 3 9
34 40 / Very Hard 5 9 9 9
35 40 / Very Hard 3 3 8 8
36 40 / Very Hard 3 6 8 8
37 40 / Very Hard 3 7 10 10
38 40 / Very Hard 1 2 5 9
39 40 / Very Hard 1 6 7 9
40 40 / !! Very Hard 1 2 9 9

Matthijs

Last update: may 4, 2004
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