A and B can do a piece of work in 16 days, B and C in 24 days, C and A in 12 days. How long will C take to do it?	Answers:
A) 16 days
B) 55 days
C) 24 days
D) 32 days
E) 22 days
2c = 1/24 + 1/12 – 1/16 = 1/16   c = 1/32 =&gt; 32 days   Answer: 32 days
<result>D</result>
A and B can do a piece of work in 16 days, B and C in 24 days, C and A in 12 days. How long will C take to do it?