Misc: Which fictional detective appears in the novel "Farewell My Lovely"?

Questions

Beatles: "You Know My Name, Look Up The Number" was the b side to what single?

Beatles: For which song did the Beatles grab female passerbys to sing background?

Beatles: From "A Hard Day's Night": "What do you call that hair style"?

Beatles: He was the Maharish Mahesh Yogi & had this song dubbed after him.?

Beatles: In what movie did John star with Michael Crawford?