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: if a tire rotates at 400 revolutions per minute when the car is traveling 72 km / h , what is the circumference of the tire ? 
Options: a ) 7 meters , b ) 9 meters , c ) 8 meters , d ) 5 meters , e ) 3 meters

A: e
****
Q: Problem: a car takes 6 hours to cover a distance of 360 km . how much should the speed in kmph be maintained to cover the same direction in 3 / 2 th of the previous time ? 
Options: a ) 60 , b ) 50 , c ) 40 , d ) 70 , e ) 65

A: c
****
Q: Problem: there are 20 poles with a constant distance between each pole . a car takes 24 second to reach the 12 th pole . how much will it take to reach the last pole . 
Options: a ) 41.4543 , b ) 41.4545 , c ) 41.45128 , d ) 41.41288 , e ) 41.41222

A:
b
****