New Enroll in RBI Gr B 2025 Exclusive New Batch on March 18

    Question

    What should come in place of question mark (?) in the following number series?

    2187, 1458, 972, ?, 432,

    288
    A 578 Correct Answer Incorrect Answer
    B 506 Correct Answer Incorrect Answer
    C 668 Correct Answer Incorrect Answer
    D 648 Correct Answer Incorrect Answer
    E 768 Correct Answer Incorrect Answer

    Solution

    2187 2187 × 2/3 = 1458 1458 × 2/3 = 972 972 × 2/3 = 648 648 × 2/3 = 432 432 × 2/3 = 288

    Practice Next

    Relevant for Exams: