Verbal Reasoning - Mental Ability Questions

In the following question, which one set of letters when sequentially placed at the gaps in the given letter series shall complete it?

X_ZX_YY_ZX_Z

Find the odd word/letters/number pair from the given alternatives.
(A) 24
(B) 49
(C) 64
(D) 81

Choose the odd word/letters/number/number pair from the given alternatives.

Water :Ocean :: Snow : ?

Arrange the given words in the sequence in which they occur in the dictionary.
i. Application
ii. Approve
iii. Appeal
iv. Astonishing

If 9@3=12; 15@4=22; 16@14=4; then what is the value of 6@2=?

Bommy is the daughter of Indu's brother. Indu has one sister, Chanda and one brother , Gopal. How is Bommy related to Gopal?

If 8*2 = 3, 14*18 = -2 and 18*2 = 8, then find the value of 14*10 = ?