90% fails
if 6 = 42
5 = 30
4 = 20
then 2 = ?

Answer

6
6 = 6*7 = 42
5 = 5*6 = 30
4 = 4*5 = 20
3 = 3*4 = 12
2 = 2*3 = 6

90% fails
if 6 = 42
5 = 30
4 = 20
then 2 = ?

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