Verbal Reasoning - Mental Ability Questions

X's rank was 12 from the to. If the total number of students in the class was 16, then X's rank from the bottom of the class is

Which set of letters when sequentially placed at the gaps in the given letter series shall complete it?

A_BC_BBC_BB_

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

Nanga Parbat, Kanchenjunga, Mount Godwin­Austen, ?

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.
DAF, FED, HIB, ?

R is P's father's nephew. Sis P's cousin but not the brother of R. How is S related to R?

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

NC, OE, PG, QI, ?

Find the missing number in the given question/

In the following question, which one set of letters when sequentially placed at the gaps in the given letter series shall complete it?

ab_bc_bb_ _abb_c