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: a leak in the bottom of a tank can empty the full tank in 6 hours . an inlet pipe fills water at the rate of 4 liters per minute . when the tank is full in inlet is opened and due to the leak the tank is empties in 8 hours . the capacity of the tank is ?
Options: a ) 5768 , b ) 5760 , c ) 5762 , d ) 5766 , e ) 5712

Answer: b

Question: Problem: 20 beavers , working together in a constant pace , can build a dam in 18 hours . how many hours will it take 12 beavers that work at the same pace , to build the same dam ?
Options: a ) 22 . , b ) 24 . , c ) 30 . , d ) 36 , e ) 38 .

Answer: c

Question: Problem: a person is traveling at 20 km / hr and reached his destiny in 8 hr then find the distance ?
Options: a ) 180 km , b ) 200 km , c ) 160 km , d ) 220 km , e ) 240 km

Answer:
c