issb intelligence MCQ #667

Next number: 3, 7, 15, 31, 63, ?

issb intelligence MCQ #667

  1. Question 1

    Q1. Next number: 3, 7, 15, 31, 63, ?

    • A) 115
    • B) 121
    • C) 127
    • D) 131

    Answer: 127

    Explanation: Pattern doubles and adds 1 so 63 times 2 plus 1 is 127.