A room of 6m 00cm long and 8m 00cm broad is to be paved with square tiles. Find the least number of square tiles required to cover the floor.
Choices:
A) 12	B) 200	C) 600	D) 800	E) 20
Explanation:   area of the room = 600 * 800 sq cm   size of largest square tile = H.C.F of 600cm and 800cm= 200cm   area of 1 tile = 200*200 sq cm   no. of tiles required = (600*800) / (200 *200)= 
<gadget id="calculator">(600*800) / (200 *200)</gadget>
<output>12</output>
12   12nswer: 12) 12
<result>A</result>
A room of 6m 00cm long and 8m 00cm broad is to be paved with square tiles. Find the least number of square tiles required to cover the floor.