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7th Class Mathematics Integers Question Bank Number And Ranking

  • question_answer
    In a row of students, Deepak is seventh from the left and Madhu is twelfth from the right. If they interchange their positions, Deepak becomes twenty-second from the left. How many students are there in the row?

    A) 19                  

    B) 31

    C) 33                  

    D) Can't be found

    Correct Answer: C

    Solution :

    Deepak's new position is 22nd from left. But it is the same as Madhu's earlier position i.e. 12th from the right. \[\therefore \]there are \[(22+12-1)\] i.e. 33 boys in the row.  


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