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7th Class Mathematics Integers Question Bank Integer

  • question_answer
    I note in my accounts book positive numbers for profits and negative numbers for losses that I make in my business. These are the entries in the book for the last seven days: \[21,-19,11,-20,17,25\]and\[-13\]. How much profit did I make in the last week?

    A)  32                              

    B)  22                  

    C)  34                  

    D)         24

    Correct Answer: B

    Solution :

    Profit earned by me \[=21+11+17+25=74\] Loss earned by me \[=-19-20-13=-52\] Net profit earned by me \[=74+(-52)=74-52=22\]


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