Question

    (?)2 + 3.113 = 22.92

    – 61.03  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.) 
    A 21 Correct Answer Incorrect Answer
    B 24 Correct Answer Incorrect Answer
    C 16 Correct Answer Incorrect Answer
    D 10 Correct Answer Incorrect Answer
    E 33 Correct Answer Incorrect Answer

    Solution

    (?)2 + 33 = 232 – 61 (?)2 + 27 = 529 – 61 (?)2 = 468 – 27 (?)2 = 441 ? = 21

    Practice Next
    More Approximation Questions

    Relevant for Exams:

    ask-question