general math MCQ #1018

Complete the number series: 3, 7, 6, 5, 9, 3, 12, 1, 15, ____.

general math MCQ #1018

  1. Question 1

    Q1. Complete the number series: 3, 7, 6, 5, 9, 3, 12, 1, 15, ____.

    • A) 21
    • B) -3
    • C) -1
    • D) 13

    Answer: -1

    Explanation: The series interleaves two strands: 3,6,9,12,15,… (+3) and 7,5,3,1,−1,… (−2); the next term in the even strand is −1.