Task: Question Answering
Input (English): Problem: the length of a rectangular landscape is 3 times its breadth . there is a playground in it whose area is 1600 square mtr & which is 1 / 3 rd of the total landscape . what is the length of the landscape ? 
Options: a ) 90 , b ) 160 , c ) 150 , d ) 120 , e ) 140
Output (English): c