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.

AZ , CX , FU , ?

From the given alternatives, select the word which CANNOT be formed using the letters of the given word.

Catrophobia

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

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

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

AB, FG, KL, PQ, ?

If 11$25 = 18, 12$20 = 16 then what is the value of 4$50 = ?

Select the related word/letters/number from the given alternatives.
Luminous intensity : Candela : : Pressure : ?

If "P" denotes "multiplied by", "R" denotes "subtracted from", "S" denotes "added to" and "Q" denotes "divided by", then 6 P 7 S 169 Q 13 R 5 = ?