\([ \frac{1}{5} + \{(\frac{25}{42} \;\div \frac{35}{6}) এর \frac{1}{7} \;-(\frac{4}{7}\times \frac{6}{5}\;\div \frac{54}{63})\} \;+ \frac{28}{40}]\) মান কত?
1
\({{403} \over 3430} \)
2
\({{99} \over 490} \)
3
\({{383} \over 3430} \)
4
\({{393} \over 3430} \)