Verbal Reasoning - Mental Ability Questions

How many such numbers are present in the below arrangement which are immediately preceded by a consonant and immediately followed by a letter?

Q@A3RI4*6T4W4O2^E$6S

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

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

8,24,12,?,18,54

In the following question, select the related number from the given alternatives.
49 : 169 : : 66 : ?

Select the related word/letters/number from the given alternatives.
34 : 81 : : 23 : ?

In a certain code, 592 means 'grapes are sweet', 374 means 'I like oranges' and 267 means 'oranges are sour'. Which digit represents sour?

If FHNPKMEG means GOLF, then what does RTSUHJBDJL stand for?

The weights of 4 boxes are 30, 40, 50 and 100 kilograms. Which of the following cannot be the total weight, in kilograms, of any combination of these boxes and in a combination a box can be used only once?