Clocks
Trending Questions
Q.
At what time between and , will the hands of a clock coincide
Q. At what time between 6 a.m. and 7 a.m. will the minute hand and hour hand of a clock make an angle closest to 60∘
- 6:22 a.m
- 6:27 a.m
- 6:38 a.m
- 6:45 a.m
Q. Two and a quarter hours back, when seen in a mirror, the reflection of a wall clock without number markings seemed to show 1 : 30. What is the actual current time shown by the clock?
- 8 : 15
- 11 : 15
- 12 : 15
- 12 : 45
Q. A commutator with a diameter of 50 cm rotates at 600 rpm. For a brush width of 2 cm, the time of commutation is,
- 2.47 msec
- 1.78 msec
- 1.273 msec
- 0.718 msec
Q. A faulty wall clock is known to gain 15 minutes every 24 hours. It is synchronized to the correct time at 9 AM on 11th July. What will be the correct time to the nearest minute when the clock shows 2 PM on 15th July of the same year?
- 12 : 45 PM
- 12 : 58 PM
- 1 : 00 PM
- 2 : 00 PM
Q. A digital watch X beeps every 30 seconds while watch Y beeps every 32 seconds. They beeped together at 10 AM.
The immediate next time that they will beep together is ______.
The immediate next time that they will beep together is ______.
- 11:00 AM
- 10:08 AM
- 10:42 AM
- 10:00 PM
Q. Match the following:
Type of Mechanism
P. Scott-Russel mechanism
Q. Geneva mechanism
R. Off-set slider-crank mechanism
S. Scotch Yoke mechanism
Motion achieved
1. Intermittent motion
2. Quick return motion
3. Simple harmonic motion
4. Straight line motion
Type of Mechanism
P. Scott-Russel mechanism
Q. Geneva mechanism
R. Off-set slider-crank mechanism
S. Scotch Yoke mechanism
Motion achieved
1. Intermittent motion
2. Quick return motion
3. Simple harmonic motion
4. Straight line motion
- P−2 Q−3 R−1 S−4
- P−3 Q−2 R−4 S−1
- P−4 Q−1 R−2 S−3
- P−4 Q−3 R−1 S−2
Q. A clock strikes once at 1 o'clock, twice at 2 o'clock, thrice at 3 o'clock and so on. The number of times it strikes in 24 hours will be
- 116
- 136
- 156
- 196
Q.
Find the magnitude of an angle which is :
of a right angle.
Q. A worker noticed that the hour hand on the factory clock had moved 225 degrees during her stay at the factory. For how long does she stay in the factory?
- 8.5 hours
- 7.5 hours
- 3.75 hours
- 4 hours and 15 minutes
Q. At what time between 6 a.m. and 7 a.m. will the minute hand and hour hand of a clock make an angle closest to 60∘
- 6:22 a.m
- 6:27 a.m
- 6:38 a.m
- 6:45 a.m
Q. A digital watch X beeps every 30 seconds while watch Y beeps every 32 seconds. They beeped together at 10 AM.
The immediate next time that they will beep together is ______.
The immediate next time that they will beep together is ______.
- 11:00 AM
- 10:08 AM
- 10:42 AM
- 10:00 PM
Q. A worker noticed that the hour hand on the factory clock had moved 225 degrees during her stay at the factory. For how long does she stay in the factory?
- 8.5 hours
- 7.5 hours
- 3.75 hours
- 4 hours and 15 minutes