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6th Class Mathematics Related to Competitive Exam Question Bank Series

  • question_answer
    Thirty six vehicles are parked in a parking lot in a single row. After the first car, there is one scooter. After the second car, there are two scooters. After the third car, there are three scooters and so on. Work out the number of scooters in the second half of the row.

    A) 10                   

    B)          12

    C) 15                   

    D)          17

    Correct Answer: C

    Solution :

        Let C and S denote car and scooter respectively Then, the sequence of parking is C S C S S C S S S C S S S S C S S S / S S C S S S S S C S S S S S S S C The above sequence has been divided into two equal halves by a line. Clearly number of scooters in second half of the line = 15.


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