Pipes A and B can empty a full tank in 16 hours and 24 hours, respectively. Pipe C alone can fill the empty tank in 4 hours. If A, B and C are opened together, the tank will be 35% full after :
1
3 \(\frac{1}{5}\) hours
2
3 \(\frac{2}{5}\) hours
3
2 \(\frac{2}{5}\) hours
4
2 \(\frac{1}{5}\) hours