Question

How much does a watch gain or lose per day, if its hands coincide every 64 minutes? (a) $32 \frac{8}{11}$ minutes gain (b) $34 \frac{2}{11}$ minutes gain (c) $32 \frac{8}{11}$ minutes loss (d) None of these

   How much does a watch gain or lose per day, if its hands coincide every 64 minutes?
(a) $32 \frac{8}{11}$ minutes gain
(b) $34 \frac{2}{11}$ minutes gain
(c) $32 \frac{8}{11}$ minutes loss
(d) None of these

The Pearson Guide to Objective Arithmetic for Competitive Examinations

The Pearson Guide to Objective Arithmetic for Competitive Examinations

Dinesh Khattar 2nd Edition

Chapter 20, Problem 6

Instant Answer

Step 1

In a 12-hour period, the hands of a watch coincide 11 times. Therefore, the time between each coincidence is: \[ \text{Time between coincidences} = \frac{12 \text{ hours}}{11} = \frac{720 \text{ minutes}}{11} \approx 65.45 \text{ minutes} \] Show more…

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How much does a watch gain or lose per day, if its hands coincide every 64 minutes? (a) $32 \frac{8}{11}$ minutes gain (b) $34 \frac{2}{11}$ minutes gain (c) $32 \frac{8}{11}$ minutes loss (d) None of these

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