An office or post with no work but high pay

A. Honorary

B. Sinecure

C. Gratis

D. Ex-officio

Answer: Option B

Solution(By Examveda Team)

One word substitute is Sinecure.

Honorary: conferred as an honour, without the usual requirements or functions.
Sinecure: a position requiring little or no work but giving the holder status or financial benefit.
Gratis: without charge; free.
Ex-officio: by virtue of one's position or status.