Direction: Two Statements are given following by four conclusions, I, II, III and IV. You have to consider that Statements to be true, even if they seem to beat variance from commonly known facts. You are to decide which of the given conclusions can definitely be drawn from the given Statements. Indicate your answer.
Statements:
All books are boxes.
All boxes are pens.
All pens are papers.
Conclusion: 
I. Some paper are books.
II. All books are papers.
III. Some pens are books.
IV. All boxes are books. 

The first day of the year 1998 was Thursday. What will be the last day of the year 2001 -

Ram started walking from a mall. First, he walked 3 km. in North direction. From there he took a right turn and walked 3 km. Then he turned right and walked 5 km. Then he again took a right turn and walked 7 km. what is the mini mum distance between Mall and Kartik's last position. 

Coal : Heat : : Wax : ? 

Pointing to the woman in the picture, Rajiv said, “Her mother has only one grandchild whose mother is my wife.” How is the woman in the picture related to Rajiv?

In alphabet series, some alphabets are missing which are given in that order as one of the alternatives below it. Choose the correct alternative.
m _ nm _ n _ an _ a _ ma_

Which one will replace the question mark?

Direction: Select the related word from the given alternatives.

5 : 2431 :: 8 : ?