Practice30Create account

A carpenter in Saharanpur can finish an order of wooden stools in 60 days, and his cousin can finish the same order in 84 days. Working together, in how many days will they complete it?

Competition practiceTime & Work / Pipes
  • A35
  • B72
  • C144
  • D30

Step-by-Step Solution

Per day: 1/60 + 1/84 = 7/420 + 5/420 = 12/420 = 1/35 of the order, so together they need 35 days.
Answer: A) 35

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

Sushma can paint the classroom walls of a primary school in 70 days, and Kamla can do it…A plumber and his apprentice together fit the pipes of a new house in 30 days. The…24 labourers can dig an irrigation canal in 35 days. If 28 labourers are employed…A is twice as efficient as B. Working together, A and B complete a work in 12 days. In…Tap A fills an overhead tank in 8 hours and tap B fills it in 24 hours. With both taps…