Question

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

    121/? = ?/144

    A 112 Correct Answer Incorrect Answer
    B 132 Correct Answer Incorrect Answer
    C 144 Correct Answer Incorrect Answer
    D 121 Correct Answer Incorrect Answer
    E 128 Correct Answer Incorrect Answer

    Solution

    121/? = ?/144 => ?2 = 121 x 144 => ? = 11 x 12 => ? = 132

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