The length of a rectangular landscape is 12 times its breadth. There is a playground in it whose area is 1200 square mtr & which is 1/4rd of the total landscape. What is the length of the landscape?  Choose the correct choice from the following answers:
A) 90
B) 120
C) 240
D) 180
E) 110
Sol. x *12x = 4 * 1200   x = 20   Length = 12 * 20= 
<gadget id="calculator">12 * 20</gadget>
<output>240</output>
240   240
<result>C</result>
The length of a rectangular landscape is 12 times its breadth. There is a playground in it whose area is 1200 square mtr & which is 1/4rd of the total landscape. What is the length of the landscape?