Pituitary: Brain :: Thymus : ? 

In each of the following questions, which one of the four interchanges in signs and numbers would make the given equation correct?
6x4+2=16 

Samuel is eighth shortest in a class of 26 students. What will be his position if counted from the tallest in the class?

Deepak said to Nitin, " That boy playing football is the younger of the two brothers of the daughter of my father's wife. " How is the boy playing football related to Deepak? 

Select the option in which the given figure is embedded.

Which answer figure is the exact mirror image of the given question

If it was Friday on 3rd date of a month, then which day would come on the 4th day after 21st date of that month?

Consider the given statement and decide which of the following assumptions are contained in the statement.
Statement :
The branch manager tells his associate, 'the end of March is always busy'.
Assumption:
I. There are more works at the end of March.
II. Too much work gets accumulated due to lack of work on time.