What will be the angle at 9 : 20 o’clock between Hour and Minute hand?

150o 160o 170o 155\(\frac{1}{2}\)o

160o

Angle = \(\frac{11M - 60H}{2}\) = \(\frac{11 × 20 - 60 × 9}{2}\)          = 110 – 270   =  –160o          = So, correct answer is  =  –160o  =  160o