Verbal Reasoning - Mental Ability Questions

Select the correct option will complete the given number series.

13, 10, 7, 4, ___

Pointing to a girl in the photograph, Amar said, "Her mother's brother is the only son of my mother's father." How is the girl's mother related to Amar ? 

If JAGUAR = HCEWYT then ELEPHANT = ?

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

Truth : Lie : : ? : ?

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

Entomology : Insects:: Seismology: ?

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

AGREE : FGPIB : : RULES : ?

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

Line : Square :: Arc : ?

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

EV : LO :: JQ: ?