Given,

$121÷(\frac{7}{5}\times \frac{3}{8}\times \frac{4}{5})=?$

$$\begin{gathered} = 121÷(\frac{7}{5}\times \frac{3}{2}\times \frac{1}{5})=? \\ =121÷\left(\frac{7}{5}\times \frac{3}{2}\times \frac{1}{5}\right) \\ = 121÷\left(\frac{21}{50}\right) \\ =121\times \left(\frac{50}{21}\right) \\ =\frac{6050}{21} \\ = 288.09 \approx 288 \end{gathered}$$

Hence, Option B is correct.