can any1 plz help 2 solve & UNDERSTAND????
A is 50% as efficient as B.C does half of the work done by A & B together.If C alone works 40 days then A,B,C together will do the work?????

Time & Work (RS.Agarwal page 346....but plzzz method other than Ratio)
thanks in advance

• If C completes whole work in 40 days
  then A&B together will complete in 20days because C does half the work done by A&B it means A&B combined together is twice as efficient as C ...
  so A,B&C's one day work is (1/20+1/40)=3/40
  ie they together will complete the work in 40/3 days
• 10 years agoHelpfull: Yes(0) No(0)