Multiple Choice Questions on How many marbles of 10cm length and 7cm width are required to pave the floor of room 7m length and 4........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

How many marbles of 10cm length and 7cm width are required to pave the floor of room 7m length and 4...........

Quantitative Aptitude ( CCS) Mensuration 2D
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    How many marbles of 10cm length and 7cm width are required to pave the floor of room 7m length and 4m breadth ?

    4000

    Correct Answer

    5100

    Incorrect Answer

    2800

    Incorrect Answer

    3200

    Incorrect Answer
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    Explanation:

    Area of floor = 700*400 = 280000
    Area of marble = 10*7 = 70
    N = 280000/70 = 4000

    By: Amit Kumar
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