Verbal Reasoning - Mental Ability Questions

Choose the related word/letters/number from the given alternatives.
NPR : GHI : : TVX : ?

If 'x' means '-', '-' means 'x', '+' means '/' and '/' means '+', then what is the value of 15 - 2 / 900 + 90 x 100?

If "S" denotes "multiplied by", "V" denotes "subtracted from", "M" denotes "added to" and "L" denotes "divided by", then 7 V 42 M 56 L 8 S 5 = ?

Arrange the given words in the sequence in which they occur in the dictionary.
1. Cadartrally
2. Caddisflies
3. Caducities
4. Caddisworms
5. Cadetships

In the following question, select the related word from the given alternatives.
Kilometre : Metre : : Tonne : ?

Select the related letters from the given alternatives.
WUS : DFH :: MKI : ?

Select the related letters from the given alternatives.
WUV : TRS :: QOP : ?

'Car' is related to 'Garage' in the same way as 'Hen' is related to ___.