document.write( "Question 961664: How many strokes do an ordinary clock strikes in a day if it strikes the number of hour every hour? \n" ); document.write( "
Algebra.Com's Answer #587599 by Alan3354(69443)\"\" \"About 
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How many strokes do an ordinary clock strikes in a day if it strikes the number of hour every hour?
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\n" ); document.write( "1 + 2 + 3 ... + 12 = ((1 +12)/2)*12 = 78
\n" ); document.write( "78*2 = 156 per day
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