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Aptitude - Clock

Why Aptitude Clock?

In this section you can learn and practice Aptitude Questions based on "Clock" and improve your skills in order to face the interview, competitive examination and various entrance test (CAT, GATE, GRE, MAT, Bank Exam, Railway Exam etc.) with full confidence.

Where can I get Aptitude Clock questions and answers with explanation?

IndiaBIX provides you lots of fully solved Aptitude (Clock) questions and answers with Explanation. Solved examples with detailed answer description, explanation are given and it would be easy to understand. All students, freshers can download Aptitude Clock quiz questions with answers as PDF files and eBooks.

Where can I get Aptitude Clock Interview Questions and Answers (objective type, multiple choice)?

Here you can find objective type Aptitude Clock questions and answers for interview and entrance examination. Multiple choice and true or false type questions are also provided.

How to solve Aptitude Clock problems?

You can easily solve all kind of Aptitude questions based on Clock by practicing the objective type exercises given below, also get shortcut methods to solve Aptitude Clock problems.

Home » Aptitude » Clock » General Questions

Exercise :: Clock - General Questions

1. 

An accurate clock shows 8 o'clock in the morning. Through how may degrees will the hour hand rotate when the clock shows 2 o'clock in the afternoon?
A. 144°
B. 150°
C. 168°
D. 180°

Answer: Option D

Explanation:

Angle traced by the hour hand in 6 hours = 360 x 6 ° = 180°.
12

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2. 

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

Answer: Option D

Explanation:

Angle traced by hour hand in 125 hrs = 360 x 125 ° = 312 1 ° .
12 12 12 2

Angle traced by minute hand in 25 min = 360 x 25 ° = 150°.
60

Reflex angle = 360° - 312 1 - 150 ° = 360° - 162 1 ° = 197 1° .
2 2 2

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3. 

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°

Answer: Option C

Explanation:

Angle traced by hour hand in 12 hrs = 360°.

Angle traced by hour hand in 5 hrs 10 min. i.e., 31 hrs = 360 x 31 ° = 155°.
6 12 6

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4. 

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 min. past 3
12
B. 4 p.m.
C.
58 7 min. past 3
11
D.
2 3 min. past 4
11

Answer: Option B

Explanation:

Time from 7 a.m. to 4.15 p.m. = 9 hrs 15 min. = 37 hrs.
4

3 min. 5 sec. of this clock = 3 min. of the correct clock.

37 hrs of this clock = 1 hrs of the correct clock.
720 20

37 hrs of this clock = 1 x 720 x 37 hrs of the correct clock.
4 20 37 4

      = 9 hrs of the correct clock.

The correct time is 9 hrs after 7 a.m. i.e., 4 p.m.

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5. 

How much does a watch lose per day, if its hands coincide every 64 minutes?
A.
32 8 min.
11
B.
36 5 min.
11
C. 90 min.
D. 96 min.

Answer: Option A

Explanation:

55 min. spaces are covered in 60 min.

60 min. spaces are covered in 60 x 60 min. = 65 5 min.
55 11

Loss in 64 min. = 65 5 - 64 = 16 min.
11 11

Loss in 24 hrs = 16 x 1 x 24 x 60 min. = 32 8 min.
11 64 11

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