Verbal Reasoning - Mental Ability Questions

Select the related word/letters/number from the given alternatives.
AEG: GKM :: MQS : ?

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

Pension, Aptitude, Captain, Tropical, Survive, ?

Rohan, after walking 5 km towards west, turns left and then walks for 12 km more. Find the shortest distance between his initial and final position.

In a certain code language "TITANIC" is written as "7371835" and "SEMATIC" is written as "6241735". How will "MAINTAIN" be written in that code language?

In the following question, by using which mathematical operators will the expression become correct?
30 ? 6 ? 4 ? 5 ? 4

A car travels 17 km South, then turns East and travels 11 km, then turns North and travels 9 km, then turns to its left and travels 11 km. Where is the car now with reference to its starting position?

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

HIG, EFD, BCA, ?, VWU

If REDUCE= 56, RECYCLE = 71 then REUSE=?