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: john left home and drove at the rate of 45 mph for 2 hours . he stopped for lunch then drove for another 3 hours at the rate of 45 mph to reach his destination . how many miles did john drive ? 
Options: a ) 235 miles . , b ) 245 miles . , c ) 225 miles . , d ) 265 miles . , e ) 275 miles .
[A]: c


[Q]: Problem: if the perimeter of a rectangular garden is 1800 m , its length when its breadth is 400 m is ? 
Options: a ) 500 , b ) 600 , c ) 700 , d ) 800 , e ) 900
[A]: a


[Q]: Problem: the center of a circle lies on the origin of the coordinate plane . if a point ( x , y ) is randomly selected inside of the circle , what is the probability that y > x or x > 0 ? 
Options: a ) 7 / 8 , b ) 5 / 6 , c ) 3 / 8 , d ) 1 / 2 , e ) 3 / 4
[A]:
a