Question

A square courtyard of side 90m had to be tiled .If the size of a tile is 12cm by25 cm ,how many tiles will ne required for the courtyard .If the cost of a Tile is ruppe30,find the total cost invitées?

Answer 1

Answer:

area of courtyard=90*90

=8100m2

area of tile=l*b

l=25cm=0.25m

b=12cm=0.12m

=0.25*0.12

=0.03m2

tiles required=

8100/0.03=2,70,000

cost = 2,70,000*30=81,00,000 rupees

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