Q:

Two pipe A and B can fill a tank in 16 hrs and 12 hrs respectively. The capacity of the tank is 240 litres. Both the pipes are opened simultaneously and closed after 2 hrs. How much more water (In Liters) needed to fill the tank?

• 1
  100
• 2
  170
• 3
  70
• 4
  190
• 5
  None of these