- A4/9
- B5/9
- C1/3
- D2/9
Step-by-Step Solution
Together they do 1/18 + 1/27 = 5/54 per day; in 6 days that is 30/54 = 5/9, so 4/9 is left.
Answer: A) 4/9
Usha alone can bind a set of registers in 18 days and Faisal alone in 27 days. They work on it together for 6 days. What fraction of the job is still left?
Competition practiceTime & Work / Pipes
Master this topic in 30 minutes a day.
Don't just memorise the answer — build a daily practice habit.
Practice 5 Similar Questions Free →All Time & Work / Pipes practice questions
More Time & Work / Pipes practice
18 labourers can lay a village road in 28 days. If 24 labourers are put on the job, all…P is 50% more efficient than Q. Together they complete a task in 18 days. How many days…A borewell pump fills a farm tank in 34 hours, but a faulty valve can empty the full…A tap alone fills a sump in 11 hours, but because of a leak the sump takes 13 hours to…Pipes P and Q fill a tank in 24 minutes and 36 minutes respectively. Both are opened…