Verbal Reasoning - Mental Ability Questions

In the following question, select the number which can be placed at the sign of ? from the given alternatives.

Select the related number from the given alternatives.
-3/7 : 7/3 :: 9/2 : ?

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.

11, 13, 17, 19, ?

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.
DP, EY, FJ, ?

Pointing to a photograph of a girl Rajesh says, "She is the only daughter of my father." How is Rajesh related to the girl?

Find out the missing number on the basis of a certain trend.

In a row of girls, Shweta is 11th from the right end. Mansi is 14th to the left of Shweta. If Mansi is 12th from the left end, then how many girls are there in the row?

A series is given, with one term missing. Choose the correct alternative from the given ones that will complete the series.
XIIIII, IXIIII, IIXIII, IIIXII,IIIIXI, ?