Problems on Clocks – Part-1
1.
15 minutes ago, it was 40 minutes past 8
O’clock. How much time is it until 11 O’clock?
a) 1 hour
10 minutes
b) 2
hours 5 minutes
c) 3
hours 15 minutes
d) 1 hour
55 minutes
2.
The hands of a correct clock coincide after
every.
a) 60 min b) 61 min
c) 64
6/11 d) 65 5/11 min
3.
The hour and the minute hands of a clock
coincide at midnight. At what time of the day will the hands coincide again?
a) 1:06 b) 1:0.5 5/11
c) 1:05 d) 1:0.6 5/11
4.
How many times do the hands of a clock
coincide in a day?
a) 24 b) 11
c) 22 d) 12
5.
How many times will the hands of a clock be
at a straight angle in 36 hours?
a) 22 b) 36
c) 33 d) 24
6.
How many times will the hands of a clock be
15 minutes apart from 2 A.M to 11 A.M?
a) 12 b) 13
c) 14 d) 16
7.
How many revolutions will the hour hand
complete in 102 hours?
a) 6 b) 8
c) 8.5 d) 12.5
8.
If a and b are the number of rotations of the
minute hand and the hour hand in 132 hours respectively, then a+b =?
a) 143 b) 121
c) 66 d) 72
9.
In 42 minutes, how many degrees of angle will
the hour hand of a clock
rotate?
a) 24o b) 144o
c) 252o d) 21o
10.
The time in a wall clock is 1.47 p.m what
will be the time if the hour hand moves 2060 from 1.47 p.m?
a) 9.18
pm b) 8.03 p.m
c) 9.30
p.m d) 8.39 p.m
11.
At 3.30 p.m. today, how many degrees has the
hour hand moved since 9 a.m. today?
a) 1650 b) 1950
c) 1450 d) 480
12.
In 24 minutes, through how many degrees of
angle will the minute hand of a clock rotate?
a) 12o b) 144o
c) 48o d) 24o
13.
By how many degrees will the minute hand move
from 2.20 pm to 2.46 pm?
a) 1200 b) 1560
c) 1800 d) 130
14.
How much time will the minute hand take to
make an angle of 4500?
a) 1 hour
10 min b) 1 hour 15 min
c) 2
hours d) 80 min
15.
How many degrees will the minute hand move in
the same time interval, in which the hour hand moves 250?
a) 600 b) 1200
c) 1800 d) 3000
16.
What angle does the hour hand move in the
same time interval in which the minute hand moves 2160?
a) 240 b) 180
c) 280 d) 320
17.
How many degrees will the minute hand move in
the same period in which the second-hand moves 1800?
a) 30 b) 40
c) 50 d) 60
18.
A wall clock loses 4 minutes every hour. What
angle will the minute hand move in 1 hour?
a) 3360 b) 3600
c) 2880 d) 2400
19.
My watch gains 7 minutes every hour. How many
degrees will the second-hand move in one minute?
a) 3750 b) 3600
c) 4020 d) 3180
20.
If the hour hand of a clock moves
650, the initial and final positions of the minute hand will be apart by
a) 1200 b) 600
c) 1300 d) 1500
21.
A clock runs fast by 8 minutes
in 6 hours. By what percent does it become fast in a day?
a) 2.22% b) 4.5%
c) 22.2% d) 8.25%
22.
Find the angle between the two hands of a
clock when the time is 5:20.
a) 40o b) 20o
c) 105o d) 150o
23.
In a wall clock, what is the angle between
the two hands at 2?
a) 900 b) 600
c) 750 d) 1050
24.
The angle between the two hands of a clock at
40 minutes past 4’O Clock is?
a) 37
½ b) 60o
c) 35o d)100o
25.
At what angle the hands of a clock are
inclined when the time is 30 min past 3?
a) 600 b) 750
c) 800 d) 900
26.
The time shown by the reflection of a clock
in a mirror is 7:40.What is the actual time in that clock?
a) 3:40
hrs b) 4:40 hrs
c) 3:20
hrs d) 4:20 hrs
27.
If a clock shows the time 3: 25, then the
time in its mirror image will be?
a) 8: 15 b) 8: 35
c) 7:40 d) 7:35
28.
A clock strikes 10 O’clock in 36 seconds.
Find the time the clock will take ( in seconds) to strike 8 O’clock.
a) 30 sec b) 42 sec
c) 38 sec d) 28 sec
29.
At 5 O’clock a clock ticks 5 times. The time
interval between the first and last ticks is 18 seconds. How long does it tick
at 12 O’clock
a) 44 sec b) 49.5 sec
c) 30sec d) 52 sec.
30.
A clock strikes once at 1 O’clock, twice
a 2 O’clock, and so on. What is the total number of
strokes the same clock strikes in 48 hours?
a) 312 b) 256
c) 288 d) 300
31.
The time on a watch is 3.45, and the
hour-hand points towards the West. The direction of the minute hand is:
a) North b) South
c) East d) West
32.
In a clock, the time shown is 9:00. If the
hour hand is towards the East, then in which direction is the minute hand?
a) East b) West
c) South d) North
33.
The time on the clock is 4.30 p.m. If the
minute hand is pointing towards the South, then the direction of the
hour hand is
a) North b) South-West
c)
South-East d) East
34.
At what time between 6 O’clock and 7 O’clock
are the hands of a clock 0o apart or coincide?
a) 30
min. past 6’O clock
b) 30
8/11 min. past 6 ’Oclock
c) 31
8/11 min. past 6 O’clock
d) 32
8/11 min. past 6 ’Oclock
35.
At what time between 5 O’clock and 6 O’clock
will the hands of a clock be in the same straight line, but not opposite to
each other?
a) 5: 25 b) 5.26 3/11
c) 5.27
3/11 d) 5.28 3/11
36.
At what time between 9 O’clock and 10 O’clock
will the hands of the clock be in the same straight line but in opposite
directions?
a) 9.05
2/11 b) 9.16 4/11
c) 9.16 8/11 d) None
37.
At what time between 8 O’clock and 9 O’clock
will the hands of a clock be in the same straight line but not together?
a) 8.50
10/11 b) 8.52 11/12
c) 8.50
11/12 d) 8:10 10/11
38.
Afternoon, the first right angle will be
formed between the hands of a clock at
a) 3 p.m b) 12.15 p.m
c) 12.16
4/11 p.m d) None
39.
At what time between 4 O’clock and 4:20 are
the hands of a clock perpendicular to each other?
a) 4:05 b) 4:27 2/11
c) 4:05
5/11 d) 4: 54/11
40.
At what time between 7 O’clock and 8 O’clock,
the two hands of the clock are perpendicular or 15 minutes apart?
a) 7.05
5/11 & 7.38 2/11
b) 7.05
5/11 & 7.38 2/11
c) 7.05
5/11 &7 .08 2/11
d) 7:21
9/11 & 7:54 6/11
41.
At what time between 3 O’clock and 4 O’clock
is the minute hand 7 minutes ahead of the hour hand?
a) 3.24
3/11 b) 3.27 ½
c) 3.24
1/3 d) 3.24
42.
Between 8 O’clock and 9 O’clock when will the
two hands make 60 º angles between them:
i) when
hour-hand is ahead of minute-hand.
ii) when
minute-hand is ahead of hour-hand.
a) 8: 32:
43 and 8:54:32
b) 8: 30:
00 and 8:50:00
c) 8:
31: 20 and 8:52:12
d) 8:28:43
and 8:48:32
