Which of the following is a prime

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

If Neena says "Amita's father Raman is the only son of my father-in-law Madhav", then how Babita, who is the sister of Amita, is related to Madhav? 

Statements:

Some mugs are jars.

All jars are bottles.

All glasses are mugs.

Conclusions:

Select the Venn diagram that best illustrates the relationship between the following classes.

Pens, Books, Erasers

In a certain code language, BAYWATCH is written as ZYWUYRAF. How will EFRON be written in that code?

Select the figure given in the options which when put in place of the question mark (?) will logically complete the series.

Select the triad which follows the same pattern as that followed by the two triads given below. Both triads follow the same pattern.  

In a certain code language,

A + B means ‘A is the brother of B’.

A − B means ‘A is the father of B’.

In the following question, select the related letters from the given alternatives.

MICS : LHBR :: JRVP : ?