Question

0,6,20,42,72,?
(a)106
(b)112
(c)110
(d)108​

Answer 1

Hey friend !

I think the correct answer is option (c)110

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First, 2 × 0 = 0

nxt, 2 × 3 = 6 ( here the the no. 0 is increased to 3 means it is increased by 3 --- 0 + 3 = 3)

2 × 10 = 20 ( here, it became 10 increasing by 7 ---- 3 + 7 = 10)

nxt, 2 × 21 = 42 ( it became 21 and increased by 11 ---- 10 + 11 = 21)

nxt, 2 × 36 = 72 ( it became 36 and increased by 15 ----- 21 + 15 = 36)

nxt, 2 × 55 = 110 ( it became 55 and increased by 19 ---- 36 + 19 = 55)

so, the answer is 110!