state gov DSSSB Junior Assistant, Steno and LDC Mock Test 2023 - 24 Quantitative Aptitude Time and Work Pipe and Cistern
Two taps J and K can fill a pool in 6 hours and 8 hours respectively. If both the taps are opened together, then after how many hours should tap K be closed so that the pool is full in 4 hours?
1
1/3 hrs
2
3 hrs
3
4 hrs
4
8/3 hrs