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WBCS Preliminary Examination 2020 — General Studies · Question 163 of 200

Q163
ArithmeticNumber Series & Progressions
What number should come next in the sequence 6, 18, 72, 360, 2160, ___?
  1. a.12120
  2. b.13120
  3. c.14120
  4. d.15120

Answer: (D) 15120

Each term is multiplied by an increasing factor (×3, ×4, ×5, ×6, ×7): 2160 × 7 = 15120.

Q162 Whole paperQ164