P is three times as fast as Q and working together, they can complete a work in 24 days. In how many days can Q alone complete the work? Options.
A) 16  B) 77  C) 32  D) 55  E) 778
P = 3Q   P + Q = 3Q + Q = 4Q   These 4Q people can do the work in 24 days, which means Q can do the work in 96 days.   Hence, P can do the work in 32 days.   Answer:32
<result>C</result>
P is three times as fast as Q and working together, they can complete a work in 24 days. In how many days can Q alone complete the work?