# Aptitude Clock Online Test, Aptitude Clock Question Answers 2020

## Aptitude Clock Online Test, Free Aptitude Quiz

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Aptitude Clock Online Test, Free Aptitude Quiz, Online Aptitude Clock Test. Aptitude Clock Question and Answers 2020. Aptitude Clock Quiz. Aptitude Clock Free Mock Test 2020. **Aptitude Clock Question and Answers in PDF. **The Aptitude Clock online mock test paper is free for all students.The below Aptitude questions and answers can improve your skills in order to face the Interview, Competitive examination, Govt Exams and various entrance test with full confidence.** Aptitude online test** is very useful for exam preparation and getting for Rank. Aptitude Clock Question and Answers in Hindi and English. Aptitude Clock Mock test for topic via Online Mode. Here we are providing** Aptitude Clock Mock Test in Hindi**. Now Test your self for “**Aptitude Clock Online Test in Hindi**” Exam by using below quiz…

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- Question 1 of 19
##### 1. Question

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?

CorrectAngle traced by the hour hand in 6 hours = (360/12 x 6) º = 180º.

IncorrectAngle traced by the hour hand in 6 hours = (360/12 x 6) º = 180º.

- Question 2 of 19
##### 2. Question

The reflex angle between the hands of a clock at 10.25 is:

CorrectIncorrect - Question 3 of 19
##### 3. Question

A clock is started at noon. By 10 minutes past 5, the hour hand has turned through:

CorrectAngle traced by hour hand in 12 hrs = 360º.

Angle traced by hour hand in 5 hrs 10 min. i.e., (31/6 hrs = 360/12 × 31/6)º = 155º.IncorrectAngle traced by hour hand in 12 hrs = 360º.

Angle traced by hour hand in 5 hrs 10 min. i.e., (31/6 hrs = 360/12 × 31/6)º = 155º. - Question 4 of 19
##### 4. Question

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:

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

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

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

⇒ 37/4 hrs of this clock = (1/20 × 720/37 × 37/4) hrs of the correct clock.

= 9 hrs of the correct clock.

∴ The correct time is 9 hrs after 7 a.m. i.e., 4 p.m.IncorrectTime from 7 a.m. to 4.15 p.m. = 9 hrs 15 min. = 37/4 hrs.

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

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

⇒ 37/4 hrs of this clock = (1/20 × 720/37 × 37/4) hrs of the correct clock.

= 9 hrs of the correct clock.

∴ The correct time is 9 hrs after 7 a.m. i.e., 4 p.m. - Question 5 of 19
##### 5. Question

How much does a watch lose per day, if its hands coincide every 64 minutes?

CorrectIncorrect - Question 6 of 19
##### 6. Question

At what time between 7 and 8 o’clock will the hands of a clock be in the same straight line but, not together?

CorrectWhen the hands of the clock are in the same straight line but not together, they are 30 minute spaces apart.

At 7 o’clock, they are 25 min. spaces apart.

∴ Minute hand will have to gain only 5 min. spaces.

55 min. spaces are gained in 60 min.

5 min. spaces are gained in 60/55 x 5 min = 5 5/11 min.

∴ Required time =IncorrectWhen the hands of the clock are in the same straight line but not together, they are 30 minute spaces apart.

At 7 o’clock, they are 25 min. spaces apart.

∴ Minute hand will have to gain only 5 min. spaces.

55 min. spaces are gained in 60 min.

5 min. spaces are gained in 60/55 x 5 min = 5 5/11 min.

∴ Required time = - Question 7 of 19
##### 7. Question

At what time between 5.30 and 6 will the hands of a clock be at right angles?

CorrectAt 5 o’clock, the hands are 25 min. spaces apart.

To be at right angles and that too between 5.30 and 6, the minute hand has to gain (25 + 15) = 40 min. spaces.

55 min. spaces are gained in 60 min.

40 min. spaces are gained in (60/55 × 40) min = 43 7/11 min.

∴ Required time =IncorrectAt 5 o’clock, the hands are 25 min. spaces apart.

To be at right angles and that too between 5.30 and 6, the minute hand has to gain (25 + 15) = 40 min. spaces.

55 min. spaces are gained in 60 min.

40 min. spaces are gained in (60/55 × 40) min = 43 7/11 min.

∴ Required time = - Question 8 of 19
##### 8. Question

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

CorrectIncorrect - Question 9 of 19
##### 9. Question

At what angle the hands of a clock are inclined at 15 minutes past 5?

CorrectIncorrect - Question 10 of 19
##### 10. Question

At 3:40, the hour hand and the minute hand of a clock form an angle of:

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

Angle traced by it in 11/3 hrs = (360/12 × 11/3) ° = 110°.

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

Angle traced by it in 40 min. = (360/60 × 40) ° = 240°.

Required angle (240 – 110)° = 130°.IncorrectAngle traced by hour hand in 12 hrs. = 360°.

Angle traced by it in 11/3 hrs = (360/12 × 11/3) ° = 110°.

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

Angle traced by it in 40 min. = (360/60 × 40) ° = 240°.

Required angle (240 – 110)° = 130°. - Question 11 of 19
##### 11. Question

How many times are the hands of a clock at right angle in a day?

CorrectIn 12 hours, they are at right angles 22 times.

∴ In 24 hours, they are at right angles 44 times.IncorrectIn 12 hours, they are at right angles 22 times.

∴ In 24 hours, they are at right angles 44 times. - Question 12 of 19
##### 12. Question

The angle between the minute hand and the hour hand of a clock when the time is 8.30, is:

CorrectAngle traced by hour hand in 17/2 hrs = (360/12 x 17/7)º = 255.

Angle traced by min. hand in 30 min. = (360/60 x 30)º = 180.

Required angle = (255 – 180)º = 75º.IncorrectAngle traced by hour hand in 17/2 hrs = (360/12 x 17/7)º = 255.

Angle traced by min. hand in 30 min. = (360/60 x 30)º = 180.

Required angle = (255 – 180)º = 75º. - Question 13 of 19
##### 13. Question

How many times in a day, are the hands of a clock in straight line but opposite in direction?

CorrectThe hands of a clock point in opposite directions (in the same straight line) 11 times in every 12 hours. (Because between 5 and 7 they point in opposite directions at 6 o’clcok only).

So, in a day, the hands point in the opposite directions 22 times.IncorrectThe hands of a clock point in opposite directions (in the same straight line) 11 times in every 12 hours. (Because between 5 and 7 they point in opposite directions at 6 o’clcok only).

So, in a day, the hands point in the opposite directions 22 times. - Question 14 of 19
##### 14. Question

At what time between 4 and 5 o’clock will the hands of a watch point in opposite directions?

CorrectAt 4 o’clock, the hands of the watch are 20 min. spaces apart.

To be in opposite directions, they must be 30 min. spaces apart.

∴ Minute hand will have to gain 50 min. spaces.

55 min. spaces are gained in 60 min.

50 min. spaces are gained in (60/55 x 50) min. or 54 6/11 min.

∴ Required time =IncorrectAt 4 o’clock, the hands of the watch are 20 min. spaces apart.

To be in opposite directions, they must be 30 min. spaces apart.

∴ Minute hand will have to gain 50 min. spaces.

55 min. spaces are gained in 60 min.

50 min. spaces are gained in (60/55 x 50) min. or 54 6/11 min.

∴ Required time = - Question 15 of 19
##### 15. Question

At what time between 9 and 10 o’clock will the hands of a watch be together?

CorrectTo be together between 9 and 10 o’clock, the minute hand has to gain 45 min. spaces.

55 min. spaces gained in 60 min.

45 min. spaces are gained in (60/55 × 45) min or 49 1/11 min.

∴ The hands are together atIncorrectTo be together between 9 and 10 o’clock, the minute hand has to gain 45 min. spaces.

55 min. spaces gained in 60 min.

45 min. spaces are gained in (60/55 × 45) min or 49 1/11 min.

∴ The hands are together at - Question 16 of 19
##### 16. Question

At what time, in minutes, between 3 o’clock and 4 o’clock, both the needles will coincide each other?

CorrectAt 3 o’clock, the minute hand is 15 min. spaces apart from the hour hand.

To be coincident, it must gain 15 min. spaces.

55 min. are gained in 60 min.

15 min. are gained in (60/55 × 15) min = 16 4/11 min.

∴ The hands are coincident at 16 4/11 min. past 3.IncorrectAt 3 o’clock, the minute hand is 15 min. spaces apart from the hour hand.

To be coincident, it must gain 15 min. spaces.

55 min. are gained in 60 min.

15 min. are gained in (60/55 × 15) min = 16 4/11 min.

∴ The hands are coincident at 16 4/11 min. past 3. - Question 17 of 19
##### 17. Question

How many times do the hands of a clock coincide in a day?

CorrectThe hands of a clock coincide 11 times in every 12 hours (Since between 11 and 1, they coincide only once, i.e., at 12 o’clock).

**AM**12:00

1:05

2:11

3:16

4:22

5:27

6:33

7:38

8:44

9:49

10:55**PM**12:00

1:05

2:11

3:16

4:22

5:27

6:33

7:38

8:44

9:49

10:55

The hands overlap about every 65 minutes, not every 60 minutes.

The hands coincide 22 times in a day.IncorrectThe hands of a clock coincide 11 times in every 12 hours (Since between 11 and 1, they coincide only once, i.e., at 12 o’clock).

**AM**12:00

1:05

2:11

3:16

4:22

5:27

6:33

7:38

8:44

9:49

10:55**PM**12:00

1:05

2:11

3:16

4:22

5:27

6:33

7:38

8:44

9:49

10:55

The hands overlap about every 65 minutes, not every 60 minutes.

The hands coincide 22 times in a day. - Question 18 of 19
##### 18. Question

How many times in a day, the hands of a clock are straight?

CorrectIn 12 hours, the hands coincide or are in opposite direction 22 times.

∴ In 24 hours, the hands coincide or are in opposite direction 44 times a day.IncorrectIn 12 hours, the hands coincide or are in opposite direction 22 times.

∴ In 24 hours, the hands coincide or are in opposite direction 44 times a day. - Question 19 of 19
##### 19. Question

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?

CorrectTime from 12 p.m. on Monday to 2 p.m. on the following Monday = 7 days 2 hours = 170 hours.

∴ The watch gains (2 + 4^{4}/_{5}) min. or 34/5 min. in 170 hrs.

Now, 34/5 min. are gained in 170 hrs.

∴ 2 min. are gained in (170 x 5/34 x 2) hrs = 50 hrs.

∴ Watch is correct 2 days 2 hrs. after 12 p.m. on Monday i.e., it will be correct at 2 p.m. on Wednesday.IncorrectTime from 12 p.m. on Monday to 2 p.m. on the following Monday = 7 days 2 hours = 170 hours.

∴ The watch gains (2 + 4^{4}/_{5}) min. or 34/5 min. in 170 hrs.

Now, 34/5 min. are gained in 170 hrs.

∴ 2 min. are gained in (170 x 5/34 x 2) hrs = 50 hrs.

∴ Watch is correct 2 days 2 hrs. after 12 p.m. on Monday i.e., it will be correct at 2 p.m. on Wednesday.