Q10. A pipe can fill a tank in 12 minutes and another can empty it in 18 minutes. If both are opened together, how long will it take to fill the tank starting from empty?Mathematics — Word Problems — Question 10 of 38A. 36 minutesB. 24 minutesC. 30 minutesD. 48 minutesPractice more Mathematics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →