Verbal Reasoning - Mental Ability Questions

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

XFB,UGD ,RIG ,OLK, ?

If "S" denotes "multiplied by", "V" denotes "subtracted from", "M" denotes "added to" and "L" denotes "divided by", then

12 V 3 M 441 L 21 S 8 = ?

Two Person P an d Q ar e separ ated by a distan ce of 20 meterin west-east direction respectively. Now P and Q startwalking in north and south direction respectively and walkedfor 5 meter. Now P and Q took a right turn and walked 10meach . Now P an d Q took left tur n an d aft er walkin g 5 meterboth of them stopped. Find the distance between them

In a certain code, 329 means 'you are bad', 419 means 'bad is good' and 195 means 'nothing is bad'. ___ represents 'good'.

Six persons L, M, N, O, P and Q sit in a linear row adjacent to each other facing north. Three persons sit between Q and P. N sits immediate left of Q. Two persons sit between N and M. How many persons sit to the left of M? 

If 40@8 = -5, 30@3 = -10 and 20@5 = -4, then find the value of 60@3 = ?

From the given alternative words, select the word which cannot be formed using the letters of the given word. SPECULATION

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.
RS, ZA, HI, ?