What is the minimum number of square tiles required to tile a floor of length 5 metres 78 cm and width 3 metres 74 cm?	Answers
A) 187
B) 180
C) 190
D) 195
E) 197
Length = width   ==&gt;square = 5 m 78 cm and 3m 74   5 m 78 cm = 578 cm and 3 m 74 cm = 374 cm   HCF of 578 and 374 = 34   square is 34   =578*374/34*34 == 17*11= 
<gadget id="calculator">17*11</gadget>
<output>187</output>
187   187NSWER 187
<result>A</result>
What is the minimum number of square tiles required to tile a floor of length 5 metres 78 cm and width 3 metres 74 cm?