GAT Subject
Engineering
Computer Science Civil Engineering Chemical Engineering Agricultural Engineering Mechanical Engineering Electronics and Communication
Basic Maths Data Intensity 4 :: Discussion
| 10. | Two pipes P and Q can fill a cistern in 12 minutes and 16 minutes respectively. Simultaneously both the pipes are opened together, then after how much time Q should be closed so that the tank is full in 9 min ? | |
| A. | 2 min | |
| B. | 3 min | |
| C. | 4 min | |
| D. | 5 min | |
| Answer: Option C | |
| Explanation: | |
|
Let Q be closed after x min. Then part filled by (P+Q) in x min + part filled by P in ( 9 – x )min x(1/12+1/16)+(9−x)1/12=1 |
|
| Tutorial Link: |
Comments are not available
Post your comments here:
Quick Links
GAT Subject
Computer Science English Mcqs Agriculture
Engineering
Computer Science Civil Engineering
Technical
Networking Electronics Database
Past Papers
Model Papers FPSC Papers