Concept:
Different types of majorities are used in parliamentary procedures.
Step 1:Understand effective majority.
Effective majority means:
\[
\text{Majority of total membership excluding vacant seats}
\]
Step 2:Apply to Speaker removal.
The Speaker of the Lok Sabha is removed by a resolution passed by an
effective majority of the House.
Step 3:Eliminate incorrect options.}
- Simple majority $\rightarrow$ Not sufficient
- Special majority $\rightarrow$ Used for constitutional amendments
- Absolute majority $\rightarrow$ Majority of total strength
Final Answer:
\[
{\text{effective majority}}
\]