Texts: My watch (which is a 24-hour watch) gains 3 minutes every 2 hours. What time will it show next? Mrs. Varma's watch (also a 12-hour watch) loses 5 minutes every 2 hours. She also sets her watch to the correct time at noon on January 1st.
Added by Lisa M.
Step 1
Since the watch gains 3 minutes every 2 hours, we can calculate how many minutes it has gained since the last time it was set to the correct time. If the watch gains 3 minutes every 2 hours, it will gain 1.5 minutes per hour. Therefore, if the watch gains 1.5 Show more…
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Select the correct alternative from the given choices. A watch, which gains uniformly was observed to be 6 minutes slow at $9: 00$ a.m. on a Tuesday and 3 minutes fast at $12: 00$ noon on the subsequent Wednesday. When did the watch show the correct time? (A) $9: 00$ p.m. on Tuesday (B) 12:00 a.m. on Wednesday (C) 3:00 a.m. on Wednesday (D) 6:00 a.m. on Wednesday
Reasoning
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20) A 12-hour clock is set at the correct time on the afternoon of May 17th. If the clock loses 6 minutes per day, the next day it will show the correct time is a) Sept. 11 b) Sept. 12 c) Sept. 13 d) Sept. 14 e) Sept. 15
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Select the correct alternative from the given choices. There are two clocks on a wall, both set to show the correct time at $5: 00$ p.m. The clocks lose 2 minutes and 3 minutes respectively in an hour. When the clock which loses 2 minutes in one hour shows $9: 50$ p.m. on the same day, then what time does the other clock show? (A) $9: 30$ p.m. (B) $9: 40$ p.m. (C) $9: 45$ p.m. (D) $10: 15$ p.m.
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