Mechanical Engineering > Gate 2019 Set-2 > Verbal
Two pipes P and Q can fill a tank in 6 hours and 9 hours respectively, while a third pipe R
can empty the tank in 12 hours. Initially, P and R are open for 4 hours. Then P is closed
and Q is opened. After 6 more hours R is closed. The total time taken to fill the tank (in
hours) is ____.
Correct : b
Similar Questions
“Going by the _________ that many hands make light work, the school _______ involved
all the students in the task.”
The words that best fill the blanks in the...
“Going by the _________ that many hands make light work, the school _______ involved
all the students in the task.”
The words that best fill the blanks in the...
“Going by the _________ that many hands make light work, the school _______ involved
all the students in the task.”
The words that best fill the blanks in the...
Total Unique Visitors
Loading......