Question

a pipe can fill a tank in a hours and another pipe can empty it in b hours b > a then how much time will it take to fill the tank together by a and b​

Answer 1

Answer:

Step-by-step explanation:

Pipe A will fill tank in one hour =1/6 of tank capacity

similarly Pipe B will epmtite in one hour=1/9 of tank capacity

hence tank will be fill in one hour=1/6–1/9=1/18 of tank capacity

Hence tank will filled uo completey in 18 Hours