engineering recuitment DRDO CEPTAM STA B Tier I (Sr. Technical Assistant) Mock Test 2022 Quantitative Aptitude Time and Work Pipe and Cistern
A pool has 3 taps. The first tap takes 3 days, the second tap takes 2 days, and the third tap takes 18 hours, to fill the pool. All the three taps are opened together. After 8 hours, the second tap is closed. The total time to fill the pool completely will be:
1
\(\frac{{128}}{{11}}\) hours
2
12 hours
3
\(\frac{{144}}{{13}}\) hours
4
4 hours