Clocks - Logical Reasoning (MCQ) Questions for Q. 29926

Q.  How much does a watch gain or lose per day, if its hands coincide every 64 minutes? 
- Published on 08 May 17

a. Gain 92 min
b. Lose 9 min
c. Lose 34 (5/11) min
d. Lose 32 (8/11) min

ANSWER: Lose 32 (8/11) min
 
55 min. spaces are covered in 60 min.

60 min. spaces are covered in (60/55 × 60) min = 65 5/11 min
 
Loss in 64 min = (65 5/11 - 64) = 16/11 min

Loss in 24 hrs= (16/11 × 1/64 × 24 × 60) min = 32 (8/11) min.

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    Discussion

  • Virender   -Posted on 02 Dec 20
    If it is coincide at 64 min before the standard coinciding time that is 65min 5/11 ... then it must be gain. Pls check it out
  • Mayank Saraf   -Posted on 20 Oct 18
    ok nice try to solve the question but there cuold be better way to explain

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