Task: Question Answering
Input (English): Problem: sides of a rectangular park are in the ratio 2 : 5 and its area is 3750 sq m , the cost of fencing it at 50 ps per meter is ? 
Options: a ) s . 122 , b ) s . 129 , c ) s . 125 , d ) s . 120 , e ) s . 130.64
Output (English): e