Clock strikes once at 1:00, twice at 2:00 & so on. if it takes 6 sec to strikes at 5:00 & 12 sec to strike at 9:00 & also time to strike at 1:00 is negligible than find time spent to strike for 24 hours.

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ritu

  • Oct 6th, 2006
 

it is 2 hr 18 mins

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jk

  • Nov 2nd, 2006
 

ans

2*(1+2+3+4+5+6+7+8+9+10+11)

=132

4s=6sec

8s=12sec

s=3.2

ans is

132*1.5

198sec

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