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10 questions
2 x 5
7
10
15
20
7 x 2
14
10
9
20
5 x 5
11
20
25
10
3 x 10
33
13
3
30
0 x 5
0
5
50
15
4 x 2
6
8
10
12
1 x 10
1
10
100
1000
8 x 2
60
10
16
8
9 x 10
90
19
900
100
10 x 5
15
50
500
55
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