- A9 days
- B8 days
- C7 days
- D10 days
Step-by-Step Solution
36 units: A 3, B 2, C 1 a day. Days 1–3: 9. Days 4–6: 15 (total 24). Left 12 at 6 a day: 2. Total 8.
Answer: B) 8 days
A (12 days) starts a job; B (18 days) joins after 3 days and C (36 days) after a further 3 days. How many days does the job take?
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
A (6 days) and B (9 days) work on alternate days, B first. How many days does the job…A (10 days) and B (15 days) start a job; after 2 days C (20 days) joins; after 2 more…An inlet fills a tank in 3 hours and an outlet empties it in 4. They are opened…Two people work together on a job. Which statement is always true?m men can do a job in d days. After d/2 days, half of the men leave. How many days does…