issb intelligence MCQ #693

Next number: 10, 21, 43, 87, 175, ?

issb intelligence MCQ #693

  1. Question 1

    Q1. Next number: 10, 21, 43, 87, 175, ?

    • A) 339
    • B) 345
    • C) 351
    • D) 357

    Answer: 351

    Explanation: Pattern doubles and adds 1 so 175 times 2 plus 1 is 351.