10. A table top is 2.5 m long and L6 m wide. Find the cost of polishing it at the rate of 5 per m
11. A wall tile is of dimension 25 cm x 20 cm. How many tiles are required to cover a wall of measurement
4 mx 3 m?
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Step-by-step explanation:
first part is not clear
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Step-by-step explanation:
11.
A wall tile length is = 25 cm
A wall tile breadth is = 20 cm
Area is = l×b
= 25×20
= 500 cm²
( 1 m = 100 cm)
Wall length is = 4 m = 4×100 = 400 cm
breadth is = 3 m = 3×100 = 300 cm
Area is = l×b
400×300
120000 / 500
240
240 tiles are required to cover a wall.
answer is completed
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