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A defective clock is set correctly at 12 nn.However it registers only fifteen mins. for each hr.In how many hr.will it again re...Asked by iselle
A defective clock is set correctly at 12 nn.However it registers only fifteen mins. for each hr.In how many hr.will it again register the correct time?
Answers
Answered by
JL
32 hours (8:00 p.m.of the next day)
Answered by
iselle
Can you please enlighten more how it is. Thank you.
Answered by
JL
If the time in the defective clock says 12:15 p.m., then,it means 1:00 p.m. in the normal clock.
So, an hour in the def.clock is equal to 4 hours in norm.clock. I list the time in the defective clock and the original time.
So, an hour in the def.clock is equal to 4 hours in norm.clock. I list the time in the defective clock and the original time.
Answered by
JL
Defect. time/No. of Hours/Orig.time
12pm-1pm / 4hrs / 12pm-4pm
1pm-2pm / +4hrs / 4pm-8pm
2pm-3pm / +4hrs / 8pm-12am
3pm-4pm / +4hrs / 12am-4am
4pm-5pm / +4hrs / 4am-8am
5pm-6pm / +4hrs / 8am-12pm
6pm-7pm / +4hrs / 12pm-4pm
7pm-8pm / +4hrs / 4pm-8pm
TOTAL TIME: 32hrs (observe that the def.time and orig.time meet at 8pm)
12pm-1pm / 4hrs / 12pm-4pm
1pm-2pm / +4hrs / 4pm-8pm
2pm-3pm / +4hrs / 8pm-12am
3pm-4pm / +4hrs / 12am-4am
4pm-5pm / +4hrs / 4am-8am
5pm-6pm / +4hrs / 8am-12pm
6pm-7pm / +4hrs / 12pm-4pm
7pm-8pm / +4hrs / 4pm-8pm
TOTAL TIME: 32hrs (observe that the def.time and orig.time meet at 8pm)
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