2022 · Q23
What is the angle between the hour hand and the minute hand of a clock when the clock shows 4 hours 40 minutes?
Elementary MathematicsNumber System
- A80°
- B100°
- C120°
- D220°
Explanation
At 4:40 the hour hand is at 30×4 + 0.5×40 = 140° and the minute hand at 6×40 = 240°. The angle between them is 100°. The keyed option is B.