Model Aptitude questions & answers for placement
Q. Two pipes P and Q can fill a tank in 10 hours and 14 hours respectively. If both pipes are opened simultaneously, how much time will be taken to fill the tank?
a. 4 hours 20 min
b. 5 hours 49 min
c. 3 hours 50 min
d. 3 hours 22 min
No explanation is available for this question!