A takes 12 hrs to complete a work
B takes 10 hrs to complete the same work time taken by them to make 2 publications working independently.

• 12hrs
  by the end of 10hrs B has completed his work.. A will take 2 more hrs... so total 12hrs will be required...
• 9 years agoHelpfull: Yes(8) No(0)
• ans:11hr 40min
  A=12hr,B=10hr
  l.c.m=60
  after 10hr A=50page,B=60page
  B finish the work first
  11hr=56page is finished
  remaining 4 page=40min
  so,11hr 60 min
• 9 years agoHelpfull: Yes(4) No(15)
• if we take to complete 1 publication a-->12 hrs, b-->10 hrs,
  for 1 hour they can complete ((1/12)+(1/10))= (11/60) th work
  they can take 60/11 hrs to complete a publication,
  so, to complte 2 publication they take (60/11)*2 hrs = 120/11 hrs
  so, ans is 120/11 hrs
• 8 years agoHelpfull: Yes(2) No(0)
• this question is not clear. what do you want to ask ???
• 8 years agoHelpfull: Yes(2) No(0)
• 12 hrs...they working independently.
• 9 years agoHelpfull: Yes(1) No(1)
• 11hr= 56 page is finished how ????
• 9 years agoHelpfull: Yes(0) No(0)
• 12+10 = 22hrs
• 9 years agoHelpfull: Yes(0) No(0)
• can any one explain.................?
• 9 years agoHelpfull: Yes(0) No(0)
• first 10 hr , a finishes 83.33% of 1 public work and b finshes 100 % of another publicatn work....
  the n b will do a,s remaining 16.66% work in 1 hr 66 min around
  so totally 10+1.66= 11hr 66 min approxmately
• 9 years agoHelpfull: Yes(0) No(0)
• answer is 22
  workdone of A is 1/12
  workdone of B is 1/10
  timetaken = 12+10
  ans=22
• 9 years agoHelpfull: Yes(0) No(3)
• 22
• 8 years agoHelpfull: Yes(0) No(0)
• 11hrs time taken by A and B
• 8 years agoHelpfull: Yes(0) No(0)