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7th Class Mathematics Related to Competitive Exam 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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