A pipe can fill a tank in 6 hours and another pipe can empty the tank in 12 hours. If both the pipes are opened at the same time,the tank can be filled in
A)10 hours
B)12 hours
C)14 hours
D)16 hours
Answers
Answered by
1
Answer:
12hrs
Step-by-step explanation:
X(1/6)-x(1/12)=1
X/6-x/12=1
2x/12-x/12=1
2x-x/12=1
X/12=1
X=12
It takes 12 hours to fill completely.
Answered by
2
Answer:
Option B = 12 hours
Step-by-step explanation:
Apply formula; =
XY
Y—X
X = 6 hours and Y = 12 hours
Ther for
6*12
12—6
=12 hours
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