Verbal Reasoning - Mental Ability Questions

In the following question, select the related number from the given alternatives.

432 : 234 : : 789 : ?

Select the related letters from the given alternatives.

CAE : XZV :: JHL : ?

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

Seconds : Time : : ? : ?

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

Ohm : Resistance : : ? : ?

Pointing to a man, a woman said "His mother is the daughter of my mother's  only daughter" . How is the man related to that woman?

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

School : Education : : ? : ?

In the following question, select the related number from the given alternatives.

43 : 70 : : 94 : ?

If the last four letters of the word 'CONCENTRATION' are written in reverse order followed by next two in the reverse order and next three in the reverse order and then followed by the first four in the reverse order, counting from the end, which letter would be eighth in the new arrangement ?