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10 questions
1 × 2
2
4
6
8
2 × 2
8
6
4
3
5 × 2
10
15
22
25
7 × 2
16
15
14
12
8 × 2
24
26
16
18
12 × 2
18
22
24
36
50 × 2
80
100
25
10
40 × 2
40
60
80
90
15 × 2
28
30
40
50
80 × 2
120
140
160
180
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