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'.

Input: Consider Input: Problem: ajay can ride 50 km in 1 hour . in how many hours he can ride 1250 km ? 
Options: a ) 10 hrs , b ) 15 hrs , c ) 20 hrs , d ) 25 hrs , e ) 18 hrs

Output: d


Input: Consider Input: Problem: a man can row upstream at 20 kmph and downstream at 60 kmph , and then find the speed of the man in still water ? 
Options: a ) 32 kmph , b ) 34 kmph , c ) 30 kmph , d ) 45 kmph , e ) 40 kmph

Output: e


Input: Consider Input: Problem: find the area of trapezium whose parallel sides are 10 cm and 18 cm long , and the distance between them is 10.00001 cm . 
Options: a ) 140 cm 2 , b ) 185 cm 2 , c ) 185 cm 2 , d ) 185 cm 2 , e ) 195 cm 2


Output: a