a takes 12 hrs to complete a work b takes 10 hrs to complete same work,time taken by them to make 2 publitions working independently

• 12 hrs boz each have work independently
  
• 11 years agoHelpfull: Yes(12) No(8)
• 1/(1/12 + 1/10) = 5.45 hrs
• 11 years agoHelpfull: Yes(4) No(2)
• manish can u expln clearly plzzzzzzz
• 11 years agoHelpfull: Yes(2) No(0)
• a's work in 1 hr=1/12
  b's work in 1 hr=1/10
  so 1/12+1/10=11/60
  so ans is 60/11hrs...
• 11 years agoHelpfull: Yes(1) No(1)
• they have to complete work independently
  b can complete 1 publition in 10 hrs
  a in 12 hrs(1 publition) total time 10+2(a extra work)
• 11 years agoHelpfull: Yes(0) No(1)