Verbal Reasoning - Mental Ability Questions

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

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

BMY, DNW, FOU, ?

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

Gw, Jt, Np, ?

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

-7/4, -1, -0.25, ? , 5/4, 2

Kathir is senior of Ganesh. Ganesh is senior of Apparu. Apparu is junior of Raju. Raju is junior of Ganesh. Who is the most senior?

If RUN = 182114 and BIN = 2914, then BRING =

Find the odd word/letters/number from the given alternatives.

In the following question, from the given alternative words, select the word which cannot be formed using the letters of the given word.
REASONABLE