Saturday, 18 February 2017

Question of the day 15-2-2017

How many tiles whose length and breadth are 12 cm and 5 cm respectively will be needed to fit in a rectangular region whose length and breadth are respectively 144 cm and 100 cm:

a) 240
b) 320
c) 400
d) None
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1 comment:

  1. Bhaskar Reddy21 February 2017 at 23:44

    Answer: Option a
    Explanation:
    Total area of the region
    =100×144
    =14400 cm2
    Area of one tile
    =12×5
    =60 cm2
    Number of tiles required
    =14400/60
    =240

    Therefore, 240 tiles are required.

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