QUESTIONS

Q : Were some members of the Royal Family demoted when George V abolished their German titles in 1917?

Nancie Rutherford, Sevenoaks, Kent.

Q : Is there just one form of sign language used around the world?

Howard Thomas, Reading, Berks.

Q : Has any naval expert calculated how many submarines are patrolling the world’s oceans at a given time?

Gerald Rudge, Monte Carlo, Monaco.