The length of a rectangular floor is more than its breadth by 100%. If Rs. 600 is required to paint the floor at the rate of Rs. 3 per sq m, then what would be the length of the floor?  Choose the correct choice from the following answers:	A) 15.0m.	B) 14.4m.	C) 12.0m.	D) 16.2m.	E) 16.5m.
Let the length and the breadth of the floor be l m and b m respectively.   l = b + 100% of b = l + 1b = 2b   Area of the floor = 600/3= 
<gadget id="calculator">600/3</gadget>
<output>200</output>
200 sq m   l b= 200i.e., l * l/2 = 108   l2 = 216 =&gt; l = 14.4m.   ANSWER:14.4m.
<result>B</result>
The length of a rectangular floor is more than its breadth by 100%. If Rs. 600 is required to paint the floor at the rate of Rs. 3 per sq m, then what would be the length of the floor?