Question

A room is 680 cm long and 320 cm it is too paved with square marble tiles of side 40 cm how many such tiles will be required​

Answer 1

Answer:

area of square(room) = L×B

= (680×320) cm

=2,17,600 sq cm

area of square(tiles) =side × side

= (40×40) cm

=1600 sq cm

tiles will require = 2,17,600/1600

=136 tiles