"P can complete a work in 12 days working 8 hours a  day. Q can complete the same
Channel: Doubtnut
Date: 2020-04-12

"P can complete a work in 12 days working 8 hours a
  day. Q can complete the same work in 8 days working 10 hours a day. If both P
  and Q work together, working 8 hours a day, in how many days can they
  complete the work ? 
`5 5/(11)`
b. `5 6/(11)`
c. `6 6/(11)`
d. `6 6/(11)`"