A room 13 m 47 cm long and 7m 77 cm broad is to be paved with square tiles. Find the least number of square tiles required to cover the floor.	Choose the correct choice from the following options.
A) 116636  B) 116406  C) 116647  D) 116291  E) 116675
Explanation:   Area of the room = (1347 x 777) cm2.   Size of largest square tile = H.C.F. of 1347 cm and 777 cm = 3 cm.   Area of 1 tile = (3 x 3) cm2.   Number of tiles required =(1347×777)/(3×3)=116291   Answer: Option 116291
<result>D</result>
A room 13 m 47 cm long and 7m 77 cm broad is to be paved with square tiles. Find the least number of square tiles required to cover the floor.