New SIDBI Grade A New Batch Starts on Nov 18

    Register

    Question

    What value should come in place of question mark (?) in the following question. (You need not to calcualte the exact value)

    (23.95)2 – (25.006)2 + (8.0099)2 – (7.07)2 = ? - (14.990)2

    A 181 Correct Answer Incorrect Answer
    B 119 Correct Answer Incorrect Answer
    C 191 Correct Answer Incorrect Answer
    D 201 Correct Answer Incorrect Answer
    E 318 Correct Answer Incorrect Answer

    Solution

    Here the terms of the given expression can also be rounded off as (24)2 – (25)2 + (8)2 – (7)2 = ? - (15)2 ? = 576 – 625 + 64 – 49 + 225 ? = 191

    Practice Next

    Relevant for Exams: