The length of a rectangular landscape is 3times its breadth. There is a playground in it whose area is 1600 square mtr & which is 1/3rd of the total landscape. What is the length of the landscape?	Choose the correct choice.
A) 90  B) 160  C) 150  D) 120  E) 140
Sol. x * 3x = 3 * 2500   x = 50   Length = 3* 50= 
<gadget id="calculator">3* 50</gadget>
<output>150</output>
150   150
<result>C</result>
The length of a rectangular landscape is 3times its breadth. There is a playground in it whose area is 1600 square mtr & which is 1/3rd of the total landscape. What is the length of the landscape?