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'.

[EX Q]: Problem: if the horse can run 10 miles / hour , how many days would it take for a horse to run from new york city to washington . d . c . ? ( 240 miles from nyc to d . c . ) 
Options: a ) 0.6 , b ) 0.8 , c ) 1 , d ) 1.2 , e ) 1.4
[EX A]: c

[EX Q]: Problem: a cistern of capacity 8000 litres measures externally 3.3 m by 2.6 m by 1.2 m and its walls are 5 cm thick . the thickness of the bottom is : 
Options: a ) 90 cm , b ) 2 dm , c ) 1 m , d ) 1.1 cm , e ) none of these
[EX A]: b

[EX Q]: Problem: how many seconds does puja take to cover a distance of 500 m , if she runs at a speed of 30 km / hr ? 
Options: a ) 60 sec , b ) 82 sec , c ) 95 sec , d ) 100 sec , e ) 120 sec
[EX A]:
a