"Where are we going, sir?" asked the aero-coachman. (Direct and Indirect speech)

In the following question, a sentence has been given in Direct/Indirect speech. Out of the four alternatives suggested, select the one which best expresses the same sentence in Indirect/Direct speech. "Where are you going?" father asked me.

In the following question, a sentence has been given in Direct/Indirect speech. Out of the four alternatives suggested, select the one which best expresses the same sentence in Indirect/ Direct speech. The trainee asked his boss. "Shall I mail this letter again. Sir?"