\((\frac{7}{8}\div5\frac{1}{4}\times7\frac{1}{5}-\frac{3}{20} এর \frac{2}{ 3}) \div \frac{1}{2}+ (\frac{3}{5} \times 7\frac{1}{2} + \frac{2}{3}\div\frac{8} {15})\), 7 + k এর সমান, যেখানে k =
1
\(\frac{3}{5}\)
2
\(\frac{1}{5}\)
3
\(\frac{1}{20}\)
4
\(\frac{19}{20}\)