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'.
--------
Question: Problem: robert is travelling on his cycle andhas calculated to reach point a at 2 pm . if he travels at 10 kmph , he will reach there at 12 pm if he travels at 15 kmph . at what speed must he travel to reach a at 1 pm ?
Options: a ) 8 kmph , b ) 9 kmph , c ) 12 kmph , d ) 14 kmph , e ) 16 kmph

Answer: c

Question: Problem: if the wheel is 28 cm then the number of revolutions to cover a distance of 1056 cm is ?
Options: a ) 3 , b ) 5 , c ) 26 , d ) 12 , e ) 6

Answer: e

Question: Problem: john can row at 5 kmph and still water . he takes 5 hours to row from a to b and back . what is the distance between a and b if the speed of the stream is 1 kmph ?
Options: a ) 28 km , b ) 12 km , c ) 16 km , d ) 30 km , e ) 20 km

Answer:
b