In the following questions select the number which can be placed at the sign of question mark (?) from the given alternatives.

Select the term that will come in the place of?

7, 11, 19, 31, ?  67

 A square paper is folded and cut as shown below. How will it appear when unfolded?

Find the number of triangles in the figure.

Six Friends A, B, C, D, E and F are sitting on a hexagonal table to play a game, but not necessarily in the same order. F is exactly in front of A, who is exactly at the right side of B.  D is in the middle of F and B and exactly in front of C. Who is sitting exactly in front of B? 

Select the option that is related to the third letter-cluster in the same way as the second letter-cluster is related to the first letter-cluster.
CEGI: AGEK:: DFHJ:?

In a code language, SEDATIVE is coded as ATDESEVI. How would PERSONAL be coded in that manner?