Which number will replace the question mark in the sequence? 5, 12, 26, ?, 110, 222 - General Intelligence & Reasoning MCQ Practice Paper 2026 | ExamTest.live | ExamTest.live

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Which number will replace the question mark in the sequence? 5, 12, 26, ?, 110, 222

A $56$
B $55$
C $52$
D $54$

Solution & Step-by-step Explanation

The pattern followed in the sequence is x_{n} = x_{n - 1} \times 2 + 2 : 5 \times 2 + 2 = 12 12 \times 2 + 2 = 26 26 \times 2 + 2 = 54 54 \times 2 + 2 = 110 110 \times 2 + 2 = 222 Thus, the missing number is 54 .

Practice this question

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Which number will replace the question mark in the sequence? 5, 12, 26, ?, 110, 222

A

56

B

55

C

52

D

54

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Number Series Sequence

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