Banking Sample Paper SBI Clerk Grade (Main) Sample Test Paper-3

  • question_answer
    If \[{{(19)}^{2}}\] is added to a number, the value so obtained is\[{{(23)}^{2}}\]. What is the number?

    A)  165

    B)  166

    C)  178

    D)  158

    E)  None of these

    Correct Answer: E

    Solution :

    Let the number be\[x\]. \[\therefore \]\[x+{{19}^{2}}={{23}^{2}}\] \[\Rightarrow \]\[x={{23}^{2}}-{{19}^{2}}\] \[=(23+19)(23-19)=42\times 4=168\]


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