Verbal Reasoning - Mental Ability Questions

In the series 5442673314884743581, the number that is sixth from the left of the seventh term from the right is

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

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

RMA, TOC, VQE, XSG, ?

In a certain code language, “FUMIC” is written as “6211393” and “STEAM” is written as “19205113”. How is “PROP” written in that code language?

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

LNP, MOQ, NPR, ?, PRT

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

W, T, Q, N, ?

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

A, D, F, I, K, N, ?

X walks 3 km towards west, and then turns and travels 4 km towards north. The shortest distance between the start and the end point of X's journey is ____.