The length of a rectangular floor is more than its breadth by 200%. If Rs. 300 is required to paint the floor at the rate of Rs. 5 per sq m, then what would be the length of the floor?	Choose the correct choice from the following answers:
A) 65 B) 13.42 C) 18 D) 16 E) 14
Let the length and the breadth of the floor be l m and b m respectively.   l = b + 200% of b = l + 2b = 3b   Area of the floor = 300/5= 
<gadget id="calculator">300/5</gadget>
<output>60</output>
60 sq m   l b= 60 i.e., l * l/3 = 60   l2 = 180 =&gt; l = 13.42   Answer: 13.42
<result>B</result>
The length of a rectangular floor is more than its breadth by 200%. If Rs. 300 is required to paint the floor at the rate of Rs. 5 per sq m, then what would be the length of the floor?