Number series (missing term): Differences increase by a constant step. Given sequence: 6, 12, 21, ?, 48 Hint: successive differences rise by 3 each time (6, 9, 12, 15, …). Choose the correct missing number.
Verbal Reasoning
Series Completion
Difficulty: Easy
Choose an option
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A33
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B38
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C40
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D45
Answer
Correct Answer: 33
Explanation
Differences12 − 6 = 621 − 12 = 9? − 21 = 12 ⇒ ? = 3348 − 33 = 15 (continues the +3 step)
Final Answer33