A clock is started at noon. By 20 minutes past 2, the hour hand has turned through:
Answer & explanation
Correct answer: option 1
Hour hand makes the angle in 12 hours = 360°
Hour hand makes the angle in 1 hour = 30°
Angle traced by hour hand in 2 hours 20 min (\(\frac{7}{3}\)hrs.) = 30 × \(\frac{7}{3}\) = 70°