Question

How many square tiles of side 16cm will be required to pave the floor of a
rectangular room 640 cm by 500 cm?

Answer 1

Answer:

Given : Side of square tile = 16cm

Length of rectangukar floor = 6.4 m = 6.4 × 100 = 640cm

Breadth = 5m = 5 × 100 = 500cm

To find : Total number of square tiles required

Solution :

First, we will find the area of the rectangular floor

Area of rectangular floor ☛ length × breadth

☛ A = 640cm × 500cm

∴ \boxed{320000\:cm^2}320000cm2

Now, we will find the area of square tile

Area of square tile ☛ side²

☛ (16cm)²

∴ \boxed{256\:cm^2}256cm2

Now, we will divide Area of rectangular floor by Area of square tile

\dfrac{Area\:of\:rectangular\:floor}{Area\:of\:square\:tile}AreaofsquaretileAreaofrectangularfloor

☛ \dfrac{320000}{256}256320000

☛ 1250

∴ Number of tiles required = \boxed{\boxed{\textsf{1250}}}1250

Answer 2

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