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    Question

    What approximate value will come in place of question mark (?) in the given equations?

    √ ({(5.5× 2.3)×

    √ (728.91))} = 3(1/7)÷ ?/28
    A 50 Correct Answer Incorrect Answer
    B 10 Correct Answer Incorrect Answer
    C 15 Correct Answer Incorrect Answer
    D 5 Correct Answer Incorrect Answer
    E 25 Correct Answer Incorrect Answer

    Solution

    √ ({(5.5× 2.3)× √ (728.91))} = 3(1/7)÷ ?/28 √ ({(6× 2)× √ (729))} = 3(1/7)÷ ?/28 √ (12× 27) = 22/7× 28/? =>√ 324 = 88/? => 18 = 88/? => ? = 4.888 = 5

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