Verbal Reasoning - Mental Ability Questions

If ' + ' means minus , ' - ' means multiplication , ' ÷ ' means plus , and ' x ' means division , then 15 - 3 + 10 x 5 ÷ 5

In these questions, the relationship between two elements is shown in the statements. These statements are followed by two conclusions.
Statement:
Z < L < W = N = K < A
Conclusion:
I. A > L
II. Z = A

Of the six members of a panel sitting in a row, A is to the right of C, but left of B. E is sitting left of C and right of D, who is sitting to the right of F. Find the members sitting at the two ends of the row.

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

CPR : ERT : : DQS : ?

Neeraj is facing north, then he turns 45 degree right and goes 25 m, then turns in south-east direction to move 25 m and from there 25 m to east. In which direction/place is he from his original place?

Pointing towards a boy, a girl says, "He is the only son of my mother's brother". How is the girl related to the boy ?

Ryaan is Vehaan's mother's sister's father's only son's son. How is Ryaan related to Vehaan?

Select the related word/letters/number from the given alternatives.
34 : 81 : : 23 : ?