- A28
- B87.5
- C30
- D25
Step-by-Step Solution
Combined rate = 1/35 + 1/140 = 4/140 + 1/140 = 5/140 = 1/28 pool per minute, so 28 minutes.
Answer: A) 28
Two garden hoses can fill a paddling pool in 35 minutes and 140 minutes respectively. How many minutes will the pool take to fill if both run together?
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
Working alone, a tailor finishes an order in 20 days and his assistant in 30 days. How…Kiran can finish a project in 16 days and Vinay in 48 days. They work together for 6…Ritu and Meena together can paint a wall in 14 days, while Ritu alone needs 21 days. How…Ishaan can paint a boundary wall in 14 days, while Kabir takes 21 days. If both paint…Working alone, Farida finishes a quilt in 20 days while Gita needs 30 days. They work…