General Intelligence Number Series Number Series Question #6561 (CAT-I)

Find the missing term in the sequence: 7, 17, 37, 77, ?

A 157

B 145

C 154

D 158

Correct Answer & Explanation

Option A

• Pattern logic: Each term is obtained by multiplying the previous term by 2 and adding 3: 7 × 2 + 3 = 14 + 3 = 17 17 × 2 + 3 = 34 + 3 = 37 37 × 2 + 3 = 74 + 3 = 77 77 × 2 + 3 = 154 + 3 = 157 • Thus, the missing number is 157.

Find the missing term in the sequence: 7, 17, 37, 77, ?

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