Which of these numbers lies between $\frac{2}{5}$ and $\frac{3}{7}$?

Explanation

1. 01

   $\frac{2}{5} = 0.4$ and $\frac{3}{7} \approx 0.4286$.

2. 02

   Only 0.41 lies between them; 0.43 is just above $\frac{3}{7}$.