Answer :
Initially, the person is walking 50 degrees north of east.
Then, they change direction to southeast, which is 135 degrees clockwise from the east direction.
To find the angle of deviation, we subtract the initial direction (50 degrees) from the final direction (135 degrees).
Angle of deviation = 135 degrees - 50 degrees = 85 degrees.
So, the correct angle of deviation is 85 degrees.