Between 3 O'clock and 4 O'clock, when the times at which the minutes and hour hands be at 50° with each other are 3 hours t1, min. and 3 hours t2 min., then t1 + t2 =
1
\(\frac{{60}}{11} \)
2
\(\frac{{360}}{11} \)
3
\(\frac{{180}}{11} \)
4
\(\frac{{200}}{11} \)