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Railways PYQCBT 1 2020

RRB NTPC · Question 90

Select the number from among the given options that can replace the question mark (?) in the following series. 3, 16, 125, ?

  1. 1008

  2. 4096

  3. 4008

  4. 1296

Show answer & explanation

Answer: (D) 1296

Explanation

The terms are 3¹, 4², 5³, so the next is 6⁴ = 1296.