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'.
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Question: Problem: 42 persons can repair a road in 12 days , working 5 hours a day . in how many days will 30 persons , working 6 hours a day , complete the work ?
Options: a ) 10 , b ) 16 , c ) 13 , d ) 14 , e ) 19

Answer: d

Question: Problem: aaron will jog from home at 2 miles per hour and then walk back home by the same route at 4 miles per hour . how many miles from home can aaron jog so that he spends a total of 3 hours jogging and walking ?
Options: a ) 5 , b ) 7 , c ) 3 , d ) 9 , e ) 10

Answer: c

Question: Problem: 20 men can complete a piece of work in 30 days . in how many days can 25 men complete that piece of work ?
Options: a ) 23 , b ) 27 , c ) 24 , d ) 27 , e ) 11

Answer:
c