In this task, you need to answer the given multiple-choice question on the physics. Classify your answers into 'a', 'b', 'c', 'd', and 'e'.

[Q]: Problem: the area of a square field 3136 sq m , if the length of cost of drawing barbed wire 3 m around the field at the rate of rs . 2.0 per meter . two gates of 1 m width each are to be left for entrance . what is the total cost ? 
Options: a ) s . 1014 , b ) s . 1332 , c ) s . 999 , d ) s . 1085 , e ) s . 1020
[A]: b


[Q]: Problem: how many paying stones , each measuring 2 m * 2 m are required to pave a rectangular court yard 30 m long and 18 m board ? 
Options: a ) 99 , b ) 18 , c ) 135 , d ) 17 , e ) 12
[A]: c


[Q]: Problem: find the area of trapezium whose parallel sides are 20 cm and 10 cm long , and the distance between them is 10 cm . 
Options: a ) 187 cm 2 , b ) 185 cm 2 , c ) 150 cm 2 , d ) 185 cm 2 , e ) 195 cm 2
[A]:
c