Question

The number of marble slab of the size 20cm* 30cm required to pave the floor of a square room of side 3 meter is by

Answer 1

Area of the square room = 3^2 m = 9m

Area of one marble slab = 20 cm * 30 cm = 0.2m * 0.3 m = 0.06 m^2

Therefore, number of marble slabs = 9/0.06 = 150

Answer 2

the number of marble slab of the size20cm multi30cm =600


pave the floor of a square room of side 3 division 600=300m room side

ans