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5th Class Mental Ability Arithmetical Reasoning Question Bank Arithmetical Reasoning

  • question_answer
    Shekhar wanted to use his calculator to subtract 2743 and 169. He entered 2643 + 169 by mistake. Which of these could he do to correct to mistake?

    A)  Subtract 100  

    B)  Add 100

    C)  Subtract 400  

    D)  Add 400

    Correct Answer: B

    Solution :

     Actual calculation = 2743 + 169 = 2912 Calculation done by mistake = 2643 + 169 = 2812 Therefore, Difference = 2912 - 2812 = 100.


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