89
Q:

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) 4pm B) 5pm
C) 6pm D) 7pm

Answer:   A) 4pm



Explanation:

Time from 7 am to 4.15 pm  = 9 hrs 15 min = 374 hrs 

 

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

 

Now 3min.5sec. is37720 hrs of this clock = 3 min.is120 hrs of the correct clock 

 

374 hrs of clock = 120×72037×374 hrs of the correct clock. 

 

  = 9 hrs of the correct clock. 

 

 The correct time is 9 hrs after 7 am. i.e., 4 pm.

Subject: Clocks
Exam Prep: Bank Exams
Job Role: Bank PO
Q:

What would be the smaller of the two angles formed by the hour hand and the minute hand at 3:47 p.m?

A) 168.5 deg B) 162 deg
C) 166.5 deg D) 165 deg
 
Answer & Explanation Answer: A) 168.5 deg

Explanation:
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Exam Prep: Bank Exams

5 1254
Q:

A watch shows 6 p.m. where the hour hand points east. In which direction is the minute hand facing when the time is 9.15 p.m?

A) West B) South
C) East D) North
 
Answer & Explanation Answer: D) North

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Exam Prep: AIEEE , Bank Exams

5 843
Q:

What fraction of 2 hours is 12 seconds?

A) 1/200 B) 1/300
C) 1/400 D) 1/600
 
Answer & Explanation Answer: D) 1/600

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Exam Prep: Bank Exams

2 1036
Q:

Three clocks are designed to alarm in every hour, two hours and three hours respectively. If they all alrmed together three hours before, then after how many hours will they next alarm together?

A) 3 hours B) 6 hours
C) 2 hours D) 1 hour
 
Answer & Explanation Answer: A) 3 hours

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Exam Prep: Bank Exams

0 1021
Q:

In a week, how many times are the hands of a clock at right angles with each other?

A) 308 B) 44
C) 24 D) 154
 
Answer & Explanation Answer: A) 308

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Exam Prep: Bank Exams

0 917
Q:

What will be the acute angle between the hour-hand and the minute -hand at 2:13 p.m?

A) 16.5 deg B) 18 deg
C) 13.5 deg D) 11.5 deg
 
Answer & Explanation Answer: D) 11.5 deg

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Exam Prep: Bank Exams

3 1191
Q:

What is the measure of the smaller of the two angles formed between the hour hand and the minute hand of a clock when it is 5:49 p.m.?

A) 119 deg B) 119.5 deg
C) 120 deg D) 120.5 deg
 
Answer & Explanation Answer: B) 119.5 deg

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Exam Prep: Bank Exams

3 1092
Q:

What would be the smaller of the two angles formed by the hour hand and the minute hand at 4:52 p.m?

A) 162 deg B) 164.5 deg
C) 165 deg D) 166 deg
 
Answer & Explanation Answer: D) 166 deg

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Exam Prep: Bank Exams

6 1326