Verbal Reasoning - Mental Ability Questions

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

381 : 160 : :478 : ?

In a family, there are six members A, B, C, D, E and F. 

A and B are a married couple, A being the male member. D is the only son of C, who is the brother of A. E is the sister of D. B is the daughter-in-law of F, whose husband has died. How is F related to C ? 

In the following question, select the related word pair from the given alternatives.

Grapes : Fruit : : ? : ?

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

Agra : Yamuna : : Varanasi : ?

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

2 : 16 : : 3 : ?

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

TZ : W : : NT : ?

In the following question, select the missing number from the given series.

119, 121, 124, 128, ?, 139

Select the related letters from the given alternatives.

ACE : YAC :: BDF : ?