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7th Class Mathematics Comparing Quantities Question Bank Comparing Quantities

  • question_answer
    A boy has enough money to buy 20 books. If each book costs 25 paise less, he could buy two more books and still have 70 paise left. How much money does the boy have?

    A)  Rs.16   

    B)         Rs.24

    C)  Rs.48     

    D)         Rs.36

    Correct Answer: C

    Solution :

     Let the original cost of each book be Rs.x. According to the problem, \[20\times x\] \[=22x-5.5+0.70\] \[\Rightarrow \] \[x=Rs.\,\,2.40\] \[\therefore \] The boy had \[20\times Rs.\,\,2.40\] = Rs. 48 to buy books


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