Verbal Reasoning - Mental Ability Questions

Select the related word/letters/numbers from the given alternatives:

15 : 225 : : 12 : ?

Select the related word/letters/number from the given alternatives.

Rajasthan: Jaipur: : Meghalaya : ?

Select the related word/letters/number from the given alternatives.

DA : FE : : HI : ?

If 9&4 = 50, 3&7 = -40 and 7&5 = 20, then find the value of 4&5 = ?

If 18!10 = 4, 10!4 = 3 and 4!8 = -2, then find the value of 16!18 = ?

Select the related word/letters/number from the given alternatives.

Haemoglobin : Blood : : Chlorophyll : ?

Select the related word/letters/number from the given alternatives.

Subhas Chandra Bose : Orissa :: Mahatma Gandhi : ?

Select the related word/letters/number from the given alternatives.

EF : UV : : IJ : ?