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Question: What is Suman's rank from the top in a class of forty students? Statements: Suman is 3 ranks below Deepak from the top. Deepak's rank from the bottom is 23. Suman is 3 ranks above Deepak from the bottom.

Correct Answer: Only II and either I or III

Explanation:

From II, we conclude that in a class of 40, Deepak ranks 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 ranks 21st from the top.


From II and III, we find that Suman is 3 ranks above 23rd rank from the bottom


i.e. she ranks 20th from the bottom or 21st from the top.


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