A motor cyclist moving with a velocity of 75 km/hr on a flat road takes a turn on the road at a point where the radius of curvature of the road is 20 m. If the g is 10 m/s2 the maximum angle of banking with vertical for no skidding is

• A. tan-1 (6)
• B. tan-1 (2)
• C. tan-1 (4)
• D. tan-1 (12)