Q33. A tank has three pipes. Two pipes fill the tank in 8 hours and 12 hours, respectively, while a third pipe can empty it in 6 hours. If all three pipes are opened simultaneously for 2 hours, and then the emptying pipe is closed, how much more time will it take for the tank to be completely filled?Mathematics — Word Problems — Question 33 of 38A. 2 hoursB. 3 hoursC. 4.4 hoursD. 5 hoursPractice more Mathematics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →