10. Two pipes A and B can fill a tank is 36 hours and 45 hours. If both are opened
simultaneously, how much time will be taken to fill the tank?
a. 20 hours
b. 18 hours c. 25 hours
d. 19 hours.
Share
10. Two pipes A and B can fill a tank is 36 hours and 45 hours. If both are opened
simultaneously, how much time will be taken to fill the tank?
a. 20 hours
b. 18 hours c. 25 hours
d. 19 hours.
Sign Up to our social questions and Answers Engine to ask questions, answer people’s questions, and connect with other people.
Login to our social questions & Answers Engine to ask questions answer people’s questions & connect with other people.
Answer:
20 hours
Step-by-step explanation:
Part filled by A in 1 hour = 1/36
Part filled by B in 1 hour = 1/45
Part filled by (A+B) in 1 hour = 1/36+1/45
=9/180
=1/20
Hence, both the pipes together will fill the tank in 20 hours.