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4th Class Mathematics Addition and Subtraction Question Bank Addition and Subtraction

  • question_answer
    There are 8956 bags in a shop. The number of black bags is twice the number of pink bags. The remaining 3010 bags are orange. How many black bags are there in the shop when rounded to the nearest hundred?

    A)  3964              

    B)    3900  

    C)    3960              

    D)    4000

    Correct Answer: D

    Solution :

    Total number of bags = 8956 No. of orange bags = 3010. \[\therefore \]No. of black bags + No. of pink bags \[=\text{8956}-\text{3}0\text{1}0=\text{5946}\] \[\Rightarrow \] 2(No. of pink bags) + No. of pink bags\[\Rightarrow \] 5946 \[\Rightarrow \] 3(No. of pink bags) = 5946 No. of pink bags = \[\frac{5946}{3}\]= 1982 \[\therefore \] No. of black bags \[=\text{ 5946 }-\text{ 1982}\] \[=\text{3964}\approx \text{4}000\]


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