Number series (fill the blank): Alternating +5 and −2 pattern. Given sequence: 28, 33, 31, 36, ?, 39 Identify the missing number following the alternating differences. Choose the correct value.
Verbal Reasoning
Series Completion
Difficulty: Easy
Choose an option
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A32
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B34
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C38
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D40
Answer
Correct Answer: 34
Explanation
ObservationDifferences alternate: +5, −2, +5, −2, ...
Step-by-step calculation28 → 33: +533 → 31: −231 → 36: +536 → ? : −2 ⇒ ? = 3434 → 39: +5 (checks)