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15 questions
10 x 0
10
0
1,000
100
10 x 1
10
11
100
0
10 x 2
2
12
20
200
10 x 3
30
33
13
300
10 x 4
10
14
400
40
10 x 5
5
15
500
50
10 x 6
4
600
16
60
10 x 7
70
17
3
700
10 x 9
900
910
90
19
10 x 11
110
121
21
1
10 x 12
4
22
120
12
10 x 10
200
20
1,000
100
8x10=
50
8
18
80
10 x 10
10
100
20
1,000
10 x2
12
10
20
22
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