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Question

Karan wants to cover the floor of his room with lavish tiles. The floor of his room is in the shape of a square with sides measuring 6 m. The shopkeeper told him that the area of each tile is 0.5 m2. How many tiles should Karan buy?


A

108

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B

36

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C

72

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D

144

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Solution

The correct option is C

72


Area of the room = Side × Side
= 6 × = 36 m2.

Area of each tile = 0.5 m2

So, number of tiles required = Area of roomArea os a single tile
= 360.5 = 72.


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