• 130°

  • 115°

  • 125°

  • 140°


Angle traced by hour hand per minute = (1/2)o ∴Angle traced by hour hand in 8h 20 min = ( 8 x 60 + 20) × 1/2 = 250° Again, angle traced by minute hand per minute = 6° ∴ again traced by minute hand in 20 min = 20 × 6° = 120° Therefore required angle = (250° - 120°) = 130°