Pipes And Cistern – Aptitude MCQ Questions – 05 Posted on July 3, 2020July 3, 2020 by admin 0 Created on July 03, 2020 By admin Pipes And Cistern - Aptitude MCQ Questions - 05 1 / 7 1. Three taps A, B, C can fill an overhead tank in 4, 6 and 12 hours respectively. How long would the three taps take to fill the tank if all of them are opened together ? A.2 hours B.4 hours C.3 hours D.5 hours 2 / 7 2. Having the same capacity 9 taps fill up a water tank in 20 minutes. How many taps of the same capacity are required to fill up the same water tank in 15 minutes ? A.10 taps B.12 taps C.15 taps D.18 taps 3 / 7 3. Pipe A can fill a tank in 4 hours and pipe B can fill it 6 hours. If they are opened on alternate hours and if pipe A is opened first then in how many hours, the tank shall be full ? A. 4.1/2 hours B. 4.2/3 hours C. 3.1/2 hours D. 3.1/4 hours 4 / 7 4. Pipe A can fill the tank in 8 hours and pipe B can fill it in 12 hours. If pipe A is opened at 7:00 AM and pipe B is opened at 9:00 AM, then at what time will the tank be full ? A.12:00 PM B.12:30 PM C.11:48 PM D.12:36 PM 5 / 7 5. Two pipes A and B can fill a tank with water in 30 minutes and 45 minutes respectively. The third pipe C can empty the tank in 36 minutes. First A and B are opened. After 12 minutes C is opened. Total time ( in minutes ) in which the tank will be filled up is - A.12 minutes B.24 minutes C.30 minutes D.36 minutes 6 / 7 6. Three pipes A, B and C can fill a tank in 6 hours, 9 hours and 12 hours respectively. B and C are opened for half an hour, then A is also opened. The time taken by the three pipes together to fill the remaining part of the tank is - A.3 hours B.2 hours C. 2.1/2 hours D. 3.1/2 hours 7 / 7 7. A tap drips at a rate of one drop/second. 600 drops make 100 ml. The number of liters wasted in 300 days is - A.4320000 liters B.432000 liters C.43200 liters D.4320 liters Your score is The average score is 0% LinkedIn Facebook Twitter 0% Restart quiz