GATE XE · 2019 · GA
Question 7: Quantitative Aptitude
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Question 7
GAMCQ2 marksNeeds review
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 _____.
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2019GA
GATE XE 2019 · Paper 1
Engineering Sciences · Original paper archive
- Section
- General Aptitude
- Question type
- Multiple choice (MCQ)
- Marks
- 2 marks
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