21.
|
A watch which gains uniformly is 2 minutes low at
noon on Monday and is 4 min. 48 sec fast at 2 p.m. on the following Monday.
When was it correct
|
|
A. 2 p.m. on Monday
B. 2 p.m. on
Tuesday
C. 2 p.m. on
Wednesday
D. 3 p.m. on
Thursday
|
22.
|
At
what angle the hands of a clock are inclined at 15 minutes past 5?
|
|
|
23.
|
At
3.40, the hour hand and the minute hand of a clock form an angle of:
|
A.
|
120º
|
B.
|
125º
|
C.
|
130º
|
D.
|
135º
|
|
24. 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°
25.
|
At what time between 5.30 and 6 will the hands of
a clock be at right angles?
|
|
A. 40 min. past 5
B. 42 min. past 5
C. 43 4/11 min past 5
D. 43 7/11 min. past 5
|
26. 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.
27.
|
How
many times are the hands of a clock at right angle in a day?
|
|
|
28.
|
The
angle between the minute hand and the hour hand of a clock when the time is
8.30, is:
|
A.
|
80º
|
B.
|
75º
|
C.
|
60º
|
D.
|
105º
|
|
29.
|
At what time between 4 and 5 o’clock will the
hands of a watch point in opposite directions?
|
|
A. 54 6/11 min. past 4
B. 50 min. past 4
C. 45 min past 4
D. 40 min past 4
|
30.
A clock is started at noon. By 10 minutes past 5, the hour hand has turned
through
A.
145° B. 150°
C. 155° D.
160°
