Question

x,y,z pipe of the tank filling water x+y=10 minutes and y+z=12min z+x=15min then x+y+z pipes releasing same time when will the tank get full??? genius will solve

Answer 1

Z+Y-X-Y=2
Z-X=2

SO,Z-X+Z+X=17
,2Z=17
,Z=17/2
SO,Y=12-17/2=7
AND,X=3
ANS,X+Y+Z=19