- A10
- B12
- C24.5
- D8
Step-by-Step Solution
Together they do 1/14 + 1/35 = 5/70 + 2/70 = 7/70 = 1/10 of the job per day, so 10 days.
Answer: A) 10
Don't just memorise the answer — build a daily practice habit.
Practice 5 Similar Questions Free →All Time & Work / Pipes practice questions