engineering intelligence MCQ #1578

Complete the series: 1, 3, 7, 15, 31, ?

engineering intelligence MCQ #1578

  1. Question 1

    Q1. Complete the series: 1, 3, 7, 15, 31, ?

    • A) 63
    • B) 62
    • C) 64
    • D) 61

    Answer: 63

    Explanation: The series is obtained by subtracting 1 from the powers of 2, i.e., 2^n - 1.