Question

4. Find the number of squared tiles of side 30 cm to cover a floor area of
length 270 cm and breadth 150 cm. Also find the total cost of tiles, if cost of
one tile is Rs.14.
(3 marks)​

Answer 1

Answer:

tiles of side= 30 cm

area of 1 tile= side square = 30*30= 900 cm square.

area of floor= length * breadth= 270*150= 40500

no of tiles= area of floor/ area of 1 tile

= 40500/900= 45

hence, no of tiles is 45.

cost of 1 tile= rs. 14

cost of 45 tiles= rs.(14*45)

=rs. 630

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