Question
What number should come next?
1 3 6 11 20 39 70
1 3 6 11 20 39 70
Answer: Option D
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1 3 6 11 20 39 70
Here 1x2+1 =3 3x2+0 =6
6x2-1 = 11 11x2-2 =20
20x2-3 =37 37x2-4 =70
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