The length of the floor of the room is two times its breadth and the perimeter of the floor is 4th. find the cost of paving marbles on the floor at rs 125 per sq metre
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Answer:
rp :15000
Step-by-step explanation:
Area of floor =side
2
=10
2
=100m
2
Area of 1 tile =
100
25
×
100
20
=
20
1
m
2
⇒ Number of tiles required =
(
20
1
)
100
=2000
⇒ Cost =7.5×2000=Rs. 15000.
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