issb intelligence MCQ #742

Next number: 7, 15, 31, 63, 127, ?

issb intelligence MCQ #742

  1. Question 1

    Q1. Next number: 7, 15, 31, 63, 127, ?

    • A) 239
    • B) 251
    • C) 255
    • D) 259

    Answer: 255

    Explanation: Pattern doubles and adds 1 so 127 times 2 plus 1 is 255.