What comes in place of ? in the given figures.

Heena is daughter of Ajay. Mala, Achla’s sister has a son Romi and daughter Sushila. Kamla is maternal  aunt of sushila and mother of Krishna. Romi is cousin of Krishna. Krishna is brother of Heena. How is Achla related to Ajay?

What comes in place of question mark (?) in the series given below?
W-144, ?, S-100, Q-81, O-64

Select the correct option to replace question mark.
242, 343, 444, 545, ? 

Identify the diagram that best represents the relationship among the classes given below.
Females, Mothers and Sisters.

DIRECTIONS: In the following question, find the missing letters in the given series.
AOP, CQR, EST, GUV, ? 

If ‘A’ is coded as 1, ‘B’ as 3, ‘C’ as 5 and so on, which of the following is the numerical value of the word ‘FAZED’? 

Anaya goes 35 metres North, then turns right and walks 45 metres, then again turns right and walks 25 metres. Finally, then again turns right and walks 45 metres. How many metres is she from her original position?