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02 Nov 2020, 00:48
Kudos
Bookmarks
clock strikes that many times for the Hour
and
the TIME of Interval between Strikes
is EQUAL to
the TIME of Each Strike
at 6:00 ----> 22 seconds from 1st Strike - to - LAST 6th Strike
Let S = Time of Strike
Let I = Time of Interval
and ------> S = I = a
S----[I]----S----[I]----S----[I]----S----[I]-----S-----[I]-----S
6*S + 5*I = 22 seconds
11a = 22 seconds
a = 2 seconds per Interval AND 2 seconds per Strike
at 12:00
there will be 12 Strikes that take 2 seconds per Strike: (12) * (2 sec) = 24 seconds
and
there will be 11 Intervals that take 2 Seconds per Interval: (11) * (2 sec) = 22 Seconds
the Total Time from beg. of 1st Stroke - to - End of LAST/12th Stroke
= (24) + (22) =
46 seconds
-D-
and
the TIME of Interval between Strikes
is EQUAL to
the TIME of Each Strike
at 6:00 ----> 22 seconds from 1st Strike - to - LAST 6th Strike
Let S = Time of Strike
Let I = Time of Interval
and ------> S = I = a
S----[I]----S----[I]----S----[I]----S----[I]-----S-----[I]-----S
6*S + 5*I = 22 seconds
11a = 22 seconds
a = 2 seconds per Interval AND 2 seconds per Strike
at 12:00
there will be 12 Strikes that take 2 seconds per Strike: (12) * (2 sec) = 24 seconds
and
there will be 11 Intervals that take 2 Seconds per Interval: (11) * (2 sec) = 22 Seconds
the Total Time from beg. of 1st Stroke - to - End of LAST/12th Stroke
= (24) + (22) =
46 seconds
-D-
10 Jun 2021, 10:28
Kudos
Bookmarks
Hi,
At 6, you will basically have 6 strokes and 5 intervals. As strokes and intervals have the same duration, we'll call that duration x, we get 6x+5x= 22 seconds
11x=22
x=2
At 12, you'll have 12 strokes and 11 intervals which means 23x therefore the duration will be 23*2=46
Answer D)
At 6, you will basically have 6 strokes and 5 intervals. As strokes and intervals have the same duration, we'll call that duration x, we get 6x+5x= 22 seconds
11x=22
x=2
At 12, you'll have 12 strokes and 11 intervals which means 23x therefore the duration will be 23*2=46
Answer D)
22 May 2022, 04:27
Kudos
Bookmarks
5h: a=22/(5+6)=2
12h: (12+13)*a=46
12h: (12+13)*a=46
