Sawaal
42
Q:

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 Tuesday B) 2 p.m on Wednesday
C) 3 p.m on Thursday D) 1 p.m on Friday

Answer:   B) 2 p.m on Wednesday



Explanation:

Time from 12 p.m on monday to 2 p.m on the following monday = 7 days 2 hours = 170 hours

 

Therefore, The watch gains 2+445 min. or  34/5 min. in 170 hrs.

 

Now, 34/5 min. are gained in 170 hrs.

 

Therefore, 2 min are gained in 170×534×2 hrs = 50 hrs

 

Therefore, 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.

Subject: Clocks

Commented by   at Dec 22, 2024 07:28 AM

Report abuse |  Rate this :

Commented by   at Dec 22, 2024 07:28 AM

Report abuse |  Rate this :

Commented by   at Dec 22, 2024 07:28 AM

Report abuse |  Rate this :

Commented by   at Dec 22, 2024 07:28 AM

Report abuse |  Rate this :

Commented by   at Dec 22, 2024 07:28 AM

Report abuse |  Rate this :

Commented by   at Dec 22, 2024 07:28 AM

Report abuse |  Rate this :

Commented by   at Dec 22, 2024 07:28 AM

Report abuse |  Rate this :

Commented by   at Dec 22, 2024 07:28 AM

Report abuse |  Rate this :

Commented by   at Dec 22, 2024 07:28 AM

Report abuse |  Rate this :
Related Questions
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:
Report Error

View Answer Report Error Discuss

Filed Under: Clocks
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

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Clocks
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

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Clocks
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

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Clocks
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

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Clocks
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

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Clocks
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

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Clocks
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

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Clocks
Exam Prep: Bank Exams

6 1326