. If a tank A can be filled within 10 hours and tank B can be filled ¼ in 19 hours then, what is the time taken to fill up the tank completely?

• there is no options given like,such that the tank is being filled 10,20,40...per hour.so just we solve using 1/4 of the tank in 19 hrs.therefore4*19=76 hrs is required
• 13 years agoHelpfull: Yes(54) No(2)
• 1/2 in 20
  full in 21hrs
• 13 years agoHelpfull: Yes(12) No(26)
• Given that,
  1/4 th of tank filled in 19 hrs
  So 1 part=19 hrs
  4 parts=76hrs
  Answer is 76 hours.
• 10 years agoHelpfull: Yes(4) No(0)
• x/4=19
  x=4*19
  x=76
• 10 years agoHelpfull: Yes(2) No(0)
• let the total time taken x hrs
  as 1/4 filled in 19 hrs then
  x*1/4 =19
  x=19*4
  x=76
• 8 years agoHelpfull: Yes(0) No(0)