mdcat logical reasoning MCQ #137

For the series: 1, 3, 7, 13, 21, ?, what comes next?

mdcat logical reasoning MCQ #137

  1. Question 1

    Q1. For the series: 1, 3, 7, 13, 21, ?, what comes next?

    • A) 31
    • B) 32
    • C) 33
    • D) 34

    Answer: 31

    Explanation: The differences between terms are 2, 4, 6, 8, 10, ... so the next difference is 12, making the next number 21 + 10 = 31.