Question 960745
Assuming a 12 hour clock and not 24.
It only strikes 12 once because the next strike of 12 is a new day.
{{{N=2*1+2*2+2*3+2*4+2*5+2*6+2*7+2*8+2*9+2*10+2*11+12}}}
{{{N=144}}}