Q: 79 (CAPF/2017)

ExamRobot is now available as Android Mobile APP. Please use the APP for the most up-to-date features and updates.


 Get it on Google Play
Two pipes A and B can fill a tank in 12 minutes and 16 minutes respectively. If both the pipes are opened together, then after how much time, B should be closed so that the tank is full in 9 minutes ?
question_subject: 
Maths
question_year: 
2017
question_exam: 
CAPF
stats: 
0,24,8,8,24,0,0