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Banking Sample Paper SBI Junior Associates (PT) Sample Test Paper-2

  • question_answer
    Direction: What approximate value should come in place of question mark (?) in the following questions? (You are not expected to calculate the exact value.)
    \[{{(17.86)}^{2}}+{{(37.81)}^{2}}-{{(47.65)}^{2}}=?-1250\]

    A)  672                 

    B)         714                 

    C)  469                 

    D)         578                 

    E)  614

    Correct Answer: B

    Solution :

    \[{{(17.86)}^{2}}+{{(37.81)}^{2}}-{{(47.65)}^{2}}\]\[=?-1250\] or,\[?\approx {{(18)}^{2}}+{{(38)}^{2}}-{{(48)}^{2}}+1250\] \[=324+1444-2304+1250\] \[=3018-2304=714\]


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