Teaching AEES PRT (Atomic Energy Education Society) 2022 Test Series Quantitative Aptitude Time and Work
P can do a piece of work in 12 hours. Q can do the same work in half the time taken by P. If P and Q work together and they do twice the amount of work, then how long will they take to finish it?
1
5 hours
2
7 hours
3
8 hours
4
4 hours