Recall, π is defined as ...
Critically examine the ...
What is pasturage and how ...
Give reasons for the ...
Find out the valency of ...
What is the nature of the ...
What are the different ...
Express each of the ...
Name the three major ...
Who are the poorest of the ...
Which one of the following ...
To cry wolf (1) ...
In which one of the following ...
To turn the cover (1) ...
That which cannot be ...
