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A watch loses 2 minutes in every 24 while another watch gains 2 minutes, in 24 hours. At a particular instant, the two watches showed an identical time. Which of the following statements is correct if 24-hour clock is
  • a)
    The two watches show the identical time again on completion of 30 days.
  • b)
    The two watches show the identical time again on completion of 90 days.
  • c)
    The two watches show the identical time again on completion of 120 days.
  • d)
    None of the above statements correct.
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
A watch loses 2 minutes in every 24 while another watch gains 2 minute...
Both clocks cover 4 minutes in a day. 
Time taken to cover 24 hours i.e., 1440 minutes
= 1440/4 = 360days 
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Most Upvoted Answer
A watch loses 2 minutes in every 24 while another watch gains 2 minute...
Solution:

Let's assume the time shown by the watches at the particular instant to be 12:00 PM.

After 24 hours, the first watch would have lost 2 minutes, and the time shown would be 11:58 AM.
After 24 hours, the second watch would have gained 2 minutes, and the time shown would be 12:02 PM.

Therefore, the time difference between the two watches after 24 hours would be 4 minutes.

This difference of 4 minutes will keep increasing by 4 minutes every day.

Option 'D' is the correct answer as none of the given statements are correct.

Explanation for each option:

a) The two watches show the identical time again on completion of 30 days.
- After 30 days, the time difference between the two watches would be 4 x 30 = 120 minutes or 2 hours. Therefore, the watches will not show identical time again after 30 days.

b) The two watches show the identical time again on completion of 90 days.
- After 90 days, the time difference between the two watches would be 4 x 90 = 360 minutes or 6 hours. Therefore, the watches will not show identical time again after 90 days.

c) The two watches show the identical time again on completion of 120 days.
- After 120 days, the time difference between the two watches would be 4 x 120 = 480 minutes or 8 hours. Therefore, the watches will not show identical time again after 120 days.
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A watch loses 2 minutes in every 24 while another watch gains 2 minutes, in 24 hours. At a particular instant, the two watches showed an identical time. Which of the following statements is correct if 24-hour clock isa)The two watches show the identical time again on completion of 30 days.b)The two watches show the identical time again on completion of 90 days.c)The two watches show the identical time again on completion of 120 days.d)None of the above statements correct.Correct answer is option 'D'. Can you explain this answer?
Question Description
A watch loses 2 minutes in every 24 while another watch gains 2 minutes, in 24 hours. At a particular instant, the two watches showed an identical time. Which of the following statements is correct if 24-hour clock isa)The two watches show the identical time again on completion of 30 days.b)The two watches show the identical time again on completion of 90 days.c)The two watches show the identical time again on completion of 120 days.d)None of the above statements correct.Correct answer is option 'D'. Can you explain this answer? for UPSC 2024 is part of UPSC preparation. The Question and answers have been prepared according to the UPSC exam syllabus. Information about A watch loses 2 minutes in every 24 while another watch gains 2 minutes, in 24 hours. At a particular instant, the two watches showed an identical time. Which of the following statements is correct if 24-hour clock isa)The two watches show the identical time again on completion of 30 days.b)The two watches show the identical time again on completion of 90 days.c)The two watches show the identical time again on completion of 120 days.d)None of the above statements correct.Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for UPSC 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A watch loses 2 minutes in every 24 while another watch gains 2 minutes, in 24 hours. At a particular instant, the two watches showed an identical time. Which of the following statements is correct if 24-hour clock isa)The two watches show the identical time again on completion of 30 days.b)The two watches show the identical time again on completion of 90 days.c)The two watches show the identical time again on completion of 120 days.d)None of the above statements correct.Correct answer is option 'D'. Can you explain this answer?.
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