1.  Questions : What is Suman's rank from the top in a class of forty students ?
Statements :

I.   Suman is 3 ranks below Deepak from the top.
II.  Deepak's rank from the bottom is 23.
III. Suman is 3 rank above Deepak from the bottom.

A. Any two of the three
B. Only I and II
C. Only II and III
D. All I, II and III
E. Only II and either I or III

Answer: Option E

Explanation:

From II, we conclude that in a class of 40, Deepak rank 23rd from the bottom i. e. 18th from the top.

From I and II, we find that Suman is 3 ranks below 18th rank from the top i. e.she rank 21st from the top.

From Ii and III, we find that Suman is 3 rank above 23rd rank from the bottom i. e. she ranks 20th from the bottom or 21st from the top.