Question

    What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.) 

    (?)2 + 8.113 = 28.92

    – 73.03 
    A 16 Correct Answer Incorrect Answer
    B 28 Correct Answer Incorrect Answer
    C 25 Correct Answer Incorrect Answer
    D 32 Correct Answer Incorrect Answer

    Solution

    (?)2 + 83 = 292 – 73 (?)2 + 512 = 841 – 73 (?)2 = 768 – 512 (?)2 = 256 ? = 16

    Practice Next