min. Angle moved by minute-hand in 1 minute = 6° ∴ Angle moved by minute - hand in
317
12
minutes =
317
12
×6°=158.5° Similarly, angle moved by seconds-hand in 25 seconds =25×6°=150° ∴ The angle between the minute-hand and the seconds-hand =158.5°–150° =8.5° Aliter : Using direct formula, θ=|6m−