Question

A marble tile measures 10 cm x 12 cm how many tiles will be required to cover a Wall of size 3M x 4 m

Answer 1

Area of a tile= l×b

=12×10cm

=120cm

Area of a wall =l×b

=400cm× 300cm

=120000cm sq

No. of marbels required

=Area wall/Area of marbels

120000/120 reduced = 1000

= 1000 marbels are required