Identify the figure given in the options that when put in place of the question mark (?) will logically complete the series.

The series follows a specific pattern of alternating letters and numbers, with the figure after '?' logically completing the sequence as B, X, Heart.
Panchayati Raj institutions came into existence under the:
The three-tier system of local government does NOT include the _________.
What is the minimum age requirement (prescribed by the Constitution of India) to become a member of a Panchayat?
Local government bodies for the urban areas are known as __________.
The aim of ________ is to promote the Panchayati Raj Institutions in the country.