Match List I with List II and select the correct answer using the codes given below the lists: List I (Time) List II (Angle between hour hand and minute hand of a clock) \item[A.] 1.10 p.m. B. 2.15 p.m. C. 8.40 p.m. 1. 20° 2. $22 \frac{1}{2}$ 。 3. $24^{\circ}$ 4. $25^{\circ}$ 5. $30^{\circ}$ A B C
(a)421
(b)432
(c)521 A B C
(d)432
Answer
Answer (as printed): A
Explanation
(A) Angle traced by hour hand in hrs = × = 35°. 6 12 6 360 ° Angle traced by minute hand in 10 min = × 10 = 60°. 60 \ Required angle = (60° – 35°) = 25°. 9 360 9 ° 1° (B) Angle traced by hour hand in hrs = × = 67 . 4 12 4 2 360 ° Angle traced by minute hand in 15 min = × 15 = 90°. 60 1° 1° \ Required angle = 90° – 67 = 22 . 2 2 26 360 26 ° (C) Angle traced by hour hand in hrs = × = 260°. 3 12 3 360 ° Angle traced by minute hand in 40 min = × 40 = 240°. 60 \ Required angle = (260° – 240°) = 20°
Explanation as extracted from the printed page; notation may be imperfect.