If a pipe can fill a tank in 2h and another pipe can fill the same tank in 6h,then what part of a tank will be filled by both the pipes in 1 h, if they are opened simultaneously?
1
\(\frac{2}{5}\)
2
\(\frac{2}{3}\)
3
\(\frac{1}{3}\)
4
\(\frac{1}{5}\)