\((\frac{7}{8}\div5\frac{1}{4}\times7\frac{1}{5}-\frac{3}{20} of \frac{2}{3}) \div \frac{1}{2}+ (\frac{3}{5} \times 7\frac{1}{2} + \frac{2}{3}\div\frac{8}{15})\) એ 7 + k બરાબર છે, જ્યાં k =
1
\(\frac {3}{5}\)
2
\(\frac {1}{5}\)
3
\(\frac {1}{20}\)
4
\(\frac {19}{20}\)