The direction of the magnetic field line in the case of a bar magnet at points A & B are

 

The direction of the magnetic field line in the case of a bar magnet at points A & B are

→  at A and ← at B

In a bar magnet, the field lines emerge from the north pole and merge at the south pole. Inside the magnet, the direction of field lines is from its south pole to its north pole. 

Therefore, The direction of the magnetic field line at point $A$ is toward the right $(\to )$.

The direction of the magnetic field line at point $B$ is towards the left $(\leftarrow )$.