SSC JE Mechanical Engineering 2013 Paper

Question : 28 of 200

Marks: +1, -0

Find the wrong number in the given series.
3, 7, 15, 31, 64, 127

Solution:

\table 3{–––––▶}↖{+4} 7 {–––––▶}↖{+8}15 {–––––▶}↖{+16}31 {–––––▶}↖{+33}[64] {–––––▶}↖{+64}127

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