Question

a floor10 metre long and 7 metre broad is to be paved with square tiles of side 0.5 metre find the number of tiles required​

Answer 1

Answer:

Area of a plate = 0.5 × 0.5 = 0.25 m2

Area of floor = 10 × 7 = 70 m2.

So number of tiles

$n = \frac{70}{0.25} = \frac{70}{ \frac{1}{4} } = 70 \times 4 = 280$