Verbal Reasoning - Mental Ability Questions

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

Grapes : Fruit : : ? : ?

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

19, 21, 25, 27, 31, ?

Pointing towards a photograph kiran said to chotu, "I am the only daughter of this lady and her son is your maternal uncle " How is the kiran related to chotu's father  ?

Arrange the given words in the sequence in which they occur in the dictionary.

i. Stable
ii. Stranger
iii. Stability
iv. Struggle

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

Flag : Nation : : ? : ?

In the following question, select the related letter/letters from the given alternatives.

RPQ : PNO : : JEK : ?

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

GROUPS : FQNTOR : : TORTURE : ?

Which number will complete the series?

11,13,17,19,23,25,_____