Q:

A alone would take 6 hours more to complete the job than if both A and B would work together. When B worked alone he took 1.5 hours more to complete the job and A and B worked together. How much time they will take if they if they work together?

• 1
  3 hours
• 2
  4 hours
• 3
  4.5 hours
• 4
  5 hours
• 5
  None of these