Select the number from among the given options that can replace the question…
2023
Select the number from among the given options that can replace the question mark(?) in the following series.
2, 6, 9, 27, 30, 90, ?
Answer: D. 93 — The series alternates multiplication by 3 and addition of 3: 2 x 3 = 6, 6 + 3 = 9, 9 x 3 = 27, 27 + 3 = 30, 30 x 3 = 90, and 90 + 3 = 93.
- A.
85
- B.
88
- C.
90
- D.
93
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Correct answer: D
The series alternates multiplication by 3 and addition of 3: 2 x 3 = 6, 6 + 3 = 9, 9 x 3 = 27, 27 + 3 = 30, 30 x 3 = 90, and 90 + 3 = 93.
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