issb intelligence MCQ #10

Which number replaces ?: 3, 9, 27, ?, 243

issb intelligence MCQ #10

  1. Question 1

    Q1. Which number replaces ?: 3, 9, 27, ?, 243

    • A) 54
    • B) 72
    • C) 81
    • D) 90

    Answer: 81

    Explanation: Geometric series ×3 each step: 27×3 = 81. Check 81×3 = 243 confirms. Always verify with the next term.