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

    Question

    How many words can be formed with the letter of the word

    ‘FUTURE’ if repetition is not allowed?
    A 360 Correct Answer Incorrect Answer
    B 120 Correct Answer Incorrect Answer
    C 60 Correct Answer Incorrect Answer
    D 720 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    FUTURE contains 6 different letters. Required number of words = ⁶P₂ = (6 ×5 ×4 ×3 ×2 ×1 )/(2 ×1) = 360

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