Verbal Reasoning - Mental Ability Questions

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

HIG, EFD, BCA, ?, VWU

In these questions, the relationship between two elements is shown in the statements. These statements are followed by two conclusions.
Statement:
A = M >P, N > R, A > T
Conclusion:
I. T = P
II. R < A

If MOMENTUM is coded as EMOMNTUM , then MAGNETIC will be coded as?

Select the related word/letters/number from the given alternatives. AIDS : VIRUS : : MALARIA : ?

If X's mother is the only daughter of Y's father, then Y's husband 's father is X's ___.

Select the related word/letters/number from the given alternatives.
Nephrology : Kidney : : Ichthyology : ?

In a certain code language, '+' represents 'x', '-' represents '+', 'x' represents '÷' and '÷' represents '-'. What is the answer to the following question?

80 x 16 ÷ 4 + 2 - 8 = ?

Raju walks 4 km towards East. Then. he turns left and walks another 3 km. In which direction and at what distance is he from his initial position?