Between 6 O'clock and 7 O'clock, when the times at which the minutes and hour hands be at 55° with each other are 6 hours t1, min. and 6 hours t2 min., then t2 + t1 =
1
\(\frac{{720}}{11} \)
2
\(\frac{{360}}{11} \)
3
\(\frac{{320}}{22} \)
4
\(\frac{{220}}{7} \)