Question

p u ter more days, Piyush one can complete
11. A can complete a work in 10 days. B in 12 days and C in 15 days. All of them began the work together, but
A had to leave the work after 2 days of the start and B. 3 days before the completion of the work. How long
did the work last?​

Answer 1

Step-by-step explanation:

Explanation:A, B, C and D will together take ¼ + 1/12 = 4/12 = 1/3 ⇒ 3 days to complete the work. Q.5.A and B can do a piece of work in 40 days, B and C can do it in 120 days. If B alone can do it in 180 days, in how many days will A and C do it together?

Answer 2

Step-by-step explanation:

Assume work last for x days

$2. \frac{1}{10} + (x - 3) \frac{1}{12} + x. \frac{1}{15} = 1$

solve for x .