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    Question

    src="https://www.ixambee.com/questionimage/Railway-Protection-Force-(RPF)-Constable/1722079503-23.JPG" alt="" />
    A 5/16 Correct Answer Incorrect Answer
    B 3/16 Correct Answer Incorrect Answer
    C 7/16 Correct Answer Incorrect Answer
    D 1/16 Correct Answer Incorrect Answer

    Solution

    [√ (225/729) -√ (25/144)] ÷ √ (16/81) = (15/27) – (5/12) ÷ (4/9) = (5/9) -(5/12) ×9/4 =5/36 ×9/4 =5/16

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