Question

( int_{2}^{4} frac{43}{6}+frac{1}{18}+frac{1}{21} )
[
begin{array}{c}
2 frac{6+2+4}{36}=frac{17}{36} frac{1}{3} r e 21
21 / 3
end{array}
]
Fenk empty by 4 5 sewnde
80 i ( frac{1}{4} ) wales is fothen form the fornk

# A tank with the capacity of 900L is filled completely. The tank contains three leakages A, B and C which can empty the full tank in 6 minutes, 9 minutes and 18 minutes respectively. If three of them are opened simultaneously, and closed after 45 seconds, then how much amount of water is taken out from the tank ?

Solution