A, B and C can do a piece of work in 20, 30 and 60 days respectively. In how many days can A do the work if he is assisted by B and C on every third day?

‏Which behavior would best describe someone who has good communication skills with customers ? a ) Following up with some customers b ) Talking to customers more than listening to them c ) Repeating back what the customer says d ) Interrupting customers frequently