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: a car runs at the speed of 25 km per hour when not serviced and runs at 75 kmph when serviced . after servicing the car covers a certain distance in 5 hours . how much time will the car take to cover the same distance when not serviced ?
Options: a ) 8 hours , b ) 16 hours , c ) 15 hours , d ) 7 hours , e ) none
[EX A]: d

[EX Q]: Problem: a certain industrial loom weaves 0.126 meters of cloth every second . approximately how many seconds will it take for the loom to weave 15 meters of cloth ?
Options: a ) 114 , b ) 115 , c ) 116 , d ) 117 , e ) 119
[EX A]: e

[EX Q]: Problem: 20 workers can finish a work in 30 days . after how many days should 5 workers leave the job so the work is completed in 35 days ?
Options: a ) 7 , b ) 6 , c ) 15 , d ) 4 , e ) 3
[EX A]:
c