New Enroll in RBI Grade B New Batch - Starts on May 21

    Question

    Find the missing number (?) in the given number series.

    10, ?,  50, 100, 250,

    500
    A 20 Correct Answer Incorrect Answer
    B 28 Correct Answer Incorrect Answer
    C 32 Correct Answer Incorrect Answer
    D 36 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ, 10 × 2 = 20 20 × 2.5 = 50 50 × 2 = 100 100 × 2.5 = 250 250 × 2 = 500

    Practice Next