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

  • question_answer
    Direction: There are a total of 7458 books in a library.  3095 of them are fiction books and 2144 are non-fiction books. The rest are magazines and reference books.
    If there are 407 more reference books than magazines, how many magazines (rounded to the nearest hundred) are there in the library?

    A)  1812              

    B)    906                            

    C)    1000              

    D)    900

    Correct Answer: D

    Solution :

    Total number of magazines and reference books in the library = 2219 There are 407 more reference books than magazines. \[\therefore \] No. of magazines \[+\text{ 4}0\text{7 }=\] No. of reference books 2(No. of magazines) \[=\text{2219}-\text{4}0\text{7}=\text{1812}\] \[\therefore \] No. of magazines \[=1812\div 2=906\approx \] 900 (to the nearest hundred)


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