Question

How many tiles 15 cm by 20 cm will be needed to pave a courtyard, 30 m long and 25 m wide ?

Answer 1

Let first convert m to cm
so,
30×100=3000
25×100=2500

L×b=3000×2500
=7500000

Area of tile=15×20
=300

Tiles required=7500000÷300
=25,000 tiles should be required

Answer 2

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