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Problems on Clocks


Posted Date: 29-Feb-2008  Last Updated:   Category: Placement Papers    
Author: Member Level: Gold    Points: 5



CLOCKS

1.Find the angle between the hands of a clock when the time is 3:20
a)20 b)30 c)40 d)50
2.At what time between 4 and 5'o clock will the 2 hands of a clock be
at an angle of 60 degrees with each other?
a)4:10 10/11 b)4:32 8/11 c)both a and b d)none of these
3.Find the time at which the hands of a clock are at right angles
between 7 and 8'o clock?
a)7:21 9/11 b)7:54 6/11 c)both a & b d)none of these
4.Find the time at which the hands of a clock are exactly opposite
directions between 8 and 9'o clock?
a)8:10 10/11 b)8:02 c)8:3/11 d)none of these
5.At what time between 2 and 3'o clock are the hands of a clock together?
a)2:10 b)2:10 10/11 c)2:10 10/12 d)none
6.In 24 hours,how many times do the two hands of a clock coincide?
a)20 times b)21 times c)22 times d)23 times
7.If the hands of a clock coincide every 65 minutes,how much time does the
clock gain or lose per day?
a)10 100/146 b)10 100/145 c)10 100/156 d)10 100/143
8.In a country R,clocks are manufactured in a special way.The total area
covered by the hour hand in 2 days is 2/3rd of the total area covered
by the minute hand in one day.What is the ratio of the length of the minute
hand to the length of the hour hand?
a)1:2 b)2:1 c)4:1 d)1:4
9.There are two clocks,which are set to correct time on sunday at 12 noon.The
first clock gains 2 1/2 minutes every hour while the second clock loses 1 1/2
minutes every hour.When will they be 2 hours apart?
a)Monday 9 p.m b)Tuesday 12 midnight c)Monday 6 p.m d)Tuesday 6 a.m
10.A watch which is set correctly at 12 noon on sunday shows 6:20 a.m on Monday
when the correct time is 6:00 a.m.If the correct time is 6:00 p.m. on tuesday,
what time does the clock show?
a)6:45 p.m b)7:00 p.m c)7:30 p.m d)8:00 p.m
11.At what time between 1 and 2'o clock are the two hands coincident?
a)1:12 5/11 b)1:07 5/11 c)1:05 5/11 d)1:08 5/11
12.Ajay started a test at a certain time between 5 and 6 and ended between 6 and 7.
He observed that the minutes and hours hands when he ended the test had inter-
changed their positions with those when he started.How much time did he take for
the test?
a)52 3/11 b)55 5/13 c)47 4/9 d)45 min
13.A clock is started at noon.By 10 minutes past 5,the hour hand has turned through
a)145 deg b)150 deg c)155 deg d)160 deg
14.An accurate clock shows 8'o clock in the morning.Through how many degrees will
the hour hand rotate when the clock show 2'o clock in the afternoon?
a)144 deg b)150 deg c)168 deg d)180 deg
15.At 3:40 the hour hand and the minute hand of a clock form an angle of
a)120 b)125 c)130 d)135
16.The angle between the minute hand and the hour hand of a clock when the time is
8:30 is
a)80 b)75 c)60 d)105
17.The angle between the minute hand and the hour hand of a clock when the time is
4:20 is
a)0 b)10 c)5 d)20
18.At what angle the hands of a clock are inclined at 15 minutes past 5?
a)58 1/2 b)64 c)67 1/2 d)72 1/2
19.The reflex angle between the hands of a clock at 10:25 is
a)180 b)192 1/2 c)195 d)197 1/2
20.How many times do the hands of a clock coincide in a day?
a)20 b)21 c)22 d)24
21.How many times do the hands of a clock are straight?
a)22 b)24 c)44 d)48
22.How many times are theh hands of a clock at right angle in a day?
a)22 b)24 c)44 d)48
23.How many times in a day,are the hands of a clock in straight line but opposite in
direction?
a)20 b)22 c)24 d)48
24.How much does a watch lose per day,if its hands coincide every 60 minutes?
a)32 8/11 b)36 5/11 c)90 min d)96 min
25.At what time,in minutes , between 3'o clock and 4'o clock , both the needles will
coincide each other?
a)5 1/11 b)12 4/11 c)13 4/11 d)16 4/11
26.At what time between 9 and 10'o clock will the hands of a watch be together?
a)45 min past 9 b)50 min past 9 c)49 1/11past9 d)48 2/11 past 9
27.At what time between 7 and 8'o clock will the hands of a clock be in the same
straight line but,not together?
a)5 min.past 7 b)5 2/11 past 7 c)5 3/11 past 7 d)5 5/11 past 7
28.At what time between 4 and 5'o clock will the handle of a watch point to opposite
directions?
a)45 min past 4 b)40 min past 4 c)50 4/11 past 4 d)54 6/11 min past4
29.At what time between 5:30 and 6 will the hands of a clock be at right angles?
a)43 5/11 b)43 7/11 past 5 c)cannot be determined d)none
30.A watch which gains uniformly in 2 min low at noon on monday and is 4 min.48sec fast
at 2 pp.m.on the following monday.when was it correct?
a)2 p.m on tuesday
b)2 p.m on wednesday
c)3 p.m on thursday
d)1 p.m on friday
31.A watch which gains 5 seconds in 3 minutes was set right at 7 a.m.In the afternoon
of the same day,when the watch indicated quarter past 4'o clock,the true time is
a)59 7/12 past 3 b)4 p.m c)5 p.m d)7 p.m
32.A clock is set right at 8 a.m.The clock gains 10 minutes in 24 hours.What will be
the true time whne the clock indicates 1 p.m on the following day?
a)48 min past 12 b)48 min c)47 min past 4 d)none
33.A clock is set right at 5 a.m.The clock loses 16 min in 24 hours.What will be the
true time when the clock indicates 10 p.m on 4th day?
a)12 p.m b)1 p.m c)1 a.m d)11 p.m
34.The minute hand of a clock overtakes the hour hand at intervals of 65 min of the
correct time.How much a day does the clock gain or lose?
a)10 10/43 in 24 hrs b)10 10/23 in 24 hrs c)10 10/34 in 24 hrs d)none
35.Find the angle between the hour hand and the minute hand of a clock when the time is
3:25
a)42 b)45 c)47 1/2 d)73
36.At what time between 2 and 3'o clock will the hands of a clock be together?
a)10 10/11 min past 2 b)10 10/11 past 3 c)10 10/11 past4 d)none
37.At what time between 4 and 5'o clock will the hands of a clock be at right angle?
a) 5 5/11 min past 4 b)38 2/11 min past 4 c)both a&b d)none
38.At what time between 4 and 5'o clock will the hands of a clock be at right angle?
a) 5 5/11 min past 4 b)38 2/11 min past 4 c)both a&b d)none
39.Find at what time between 8 and 9'o clock will the hands of a clock be in the same
straight line but not together
a)10 10/11 min past 8 b)10 10/11 past7 c)10 10/11past2 d)none
40.At what time between 5 and 6'o clock are the hands of a clock 3 minutes apart?
a)31 5/11 min past 5
b)31 5/18 min past 5
c)31 5/19 min past 5
d)31 5/16 min past 5


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Responses to "Problems on Clocks"
Guest Author: Majridi K     10 Feb 2013
Problems on Clocks and its solution is very helpful for my search - a clock is started at noon. by 10 minutes past 5, the hour hand has turned through: a. 145deg b. 150deg c. 155deg d. 160deg , it helped me of course. Good work buddy...thanks


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