Test Index

DRDO Multi tasking staff Model paper 8

© examsnet.com

Question : 85

Total: 100

First pipe can fill the water cooler in 12 hours, and second pipe can empty the water cooler in 26 hours. If we open both the pipes simultaneously. In how much time water cooler will get completely filled?

156/7 hours
185/7 hours
153/7 hours
181/7 hours

Go to Question:

Prev Question

Next Question

More Free Exams: