Find the number of square tiles to cover the floor of a room measuring 4 m $\times$ 9 m leaving 0.25 m space around the room. A side of square tile is given to be 25 cms?
425
476
450
350
Explanation:
3 1/2 $\times$ 8 1/2 = 1/4 $\times$ 1/4 $\times x$ => x = 476