regulatoryBody NABARD Grade A Prelims Mock Test 2024 Quantitative Aptitude Time and Work Pipe and Cistern
8 taps are fitted in a tank in which some are inlet taps and some are outlet taps. Each inlet tap can fill the tank in 15 hours and each outlet tap can empty the tank in 30 hours. Find the number of inlet taps if the whole tank is filled in 3 hours when all 8 taps are open.
1
5
2
7
3
6
4
4
5
3