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7th Class Mathematics Integers Question Bank Integer

  • question_answer
    Pooja makes a profit of Rs.9 for every large basket she sells and loses Rs. 4 on every small basket. She cannot make only large baskets as buyers require that she supplies baskets of both sizes.
    (i) If she gets an order to supply 7200 large baskets and 11,200 small baskets, what is the profit or loss she will be making from this order?
    (ii)  If in the next order she has to supply 8100 small baskets, how many large baskets does she need to make so that makes neither profit nor loss in this order?
               

    A)
    (i) (ii)
     Loss of Rs. 20000   3000
                   

    B)
    (i) (ii)
     Profit of Rs.20000   3600
                   

    C)
    (i) (ii)
     Loss of Rs. 25000   3600
                   

    D)
    (i) (ii)
     Profit of Rs. 30000   2000

    Correct Answer: B

    Solution :

    (i) Profit on large baskets         \[=Rs.\,\,(7200\times 9)=Rs.\,64800\] Loss on small baskets \[=Rs.\,(11200\times 4=Rs.\,44800)\] Profit \[=64800-44800=Rs.\,20000\] (ii) Number of small baskets =8100 Loss on 8100 small baskets \[=Rs.(8100\times 4)\]                                     \[=Rs.\,32400\] Let number of large baskets be x \[\therefore \] Profit on large baskets \[=Rs.\,\,32400\] \[\Rightarrow \] \[9x=32400\Rightarrow x=\frac{32400}{9}\Rightarrow x=3600\]                


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