11. One pendulum ticks 57 times in 58sec, while another ticks 608 times in 609 sec. If they started together, then how often will they tick together in the first hour?
a) 47 b) 53 c) 57 d) 67
12. A clock is set right at 5am. The clock loses 16min. in 24 hours. What will be the true time when the clock indicates 10pm on the 4th day?
a) 11pm b) 10pm c) 9pm d) 8 pm
13. A watch which gains 5 seconds in 3 minutes was set right at 7am. In the afternoon of the same day, when the watch indicated quarter past 4 O’clock, the true time is
a) 4pm b) minutes past 3
c) minutes past 3 d) minutes past 4
14. What will be the acute angle between hands of a clock at 2 :30?
a) 1050 b) 1150 c) 950 d) 1350
15. The minute hand of a clock overtakes the hour hand at intervals of 65 minutes of correct time. How much does the clock gain or lose in 12 hours?
a) b) c) d)
16. The minute hand of a clock overtakes the hour hand at intervals of 62 minutes of correct time. How much does the clock gain or lose in 12 hours?
a) b) c) d)
17. Rama purchased a second had swiss watch which is very costly . In this watch the minute – hand and hour hand coincide after every minutes. How much time does the watch lose of gain per day?
a) 4 min b) 5 min c) 4 min 20 sec d) None of these
18. The minute hand of a clock overtakes the hour hand at intervals of 65 minutes of correct time. How much a day does the clock gain or lose?
a) b) c) d)
19. If the two hands in a clock are 3 minutes divisions apart, then the angle between then is
a) 30 b) 180 c) 240 d) 600
20. A clock gains 15 minutes per day. It is set right at 12 noon. What time will it show at 4.00am, the next day?
a) 4:10am b) 4:45am c) 4:20am d) 5:00am
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