Clock

1. At what time in minute ,between 12'o clock do the hour hand and minute habd of the clock lie in oposite direction ?
Ans : 32(8/11)

2. How many times between 4am and 4pm will the hands of a clock cross ?
Ans. 10

3. A clock shows 7:15.When seen through a mirror, what times does it show ?
Ans. 7:45

4. At 10:30,the hour hand and minute hand from an angle of ?
Ans. 215°

5. Find the angle between the hour hand and minute hand of the clock when the time is 6:10.
Ans. 120°

6. Two clocks start striking together at noon. The first clock strikes every 3 seconds and the second strikes every 2.5 seconds.Find the interval between the seventh strikes of the first clock and fifth strike of the second clock.
Ans. 11 seconds

7. If the minute hand of a clock has moved 300°,How many degree has the hour hand moved ?
Ans. 25°

8. At what time ,in minute, between 3 'o clock and 4'o clock do the hands of the clock point in opposite direction ?
Ans. 49

9. At what time ,in minute ,between 5 and 6 'o clock will the hands of the clock be at right angles for the first time ?
Ans. 10 (10/11)

10. Find the angle between the hands of the clock when the time is 20 minutes past 7.
Ans. 150°