31 .

How many times in twelve hours does the angle between the hour's and minute's hand of a clock be exactly one degree at the start of a minute?

How many times in twelve hours does the angle between the hour's and minute's hand of a clock be exactly one degree at the start of a minute?

A.1

B. 2

C. 3

D.4

View AnswerAns: 2
32 .

If the minutes and hours hand are identical in a clock. Given that a person checks the time at only integral values of minutes, how many times in a day can a person not be able to find the exact time?

If the minutes and hours hand are identical in a clock. Given that a person checks the time at only integral values of minutes, how many times in a day can a person not be able to find the exact time?

A.0

B. 1

C. 2

D.3

View AnswerAns: 0
33 .

A watch which gains uniformly is 2 minutes low at noon on and is 4 min 48 sec fast at 2 pm on the following Monday. When was it correct?

A watch which gains uniformly is 2 minutes low at noon on and is 4 min 48 sec fast at 2 pm on the following Monday. When was it correct?

A.2 pm on Tuesday

B. 3 pm on Wednesday

C. 2 pm on Wednesday

D.3 pm on Tuesday

View AnswerAns: 2 pm on Wednesday
34 .

What is the reflex angle between the hands of a clock at 10:25?

What is the reflex angle between the hands of a clock at 10:25?

A.195°

B. 19712°

C. 180°

D.19312°

View AnswerAns: 19712°
35 .

The angle between the minute hand and the hour hand of a clock when the time is 4.20 is

The angle between the minute hand and the hour hand of a clock when the time is 4.20 is

A.10°

B. 20°

C. 30°

D.40°

View AnswerAns: 10°