Verbal Reasoning - Mental Ability Questions

In the following question, select the related word from the given alternatives.
Book : Pages : : Continent : ?

Pointing at X, Y says, "X is the son of the only son of my mother". Then Y is X's ___.

If EXPLAIN is coded as BUMIXFK, then how will GYM be coded as?

If 70$7 = -10, 50$5 = -10 and 40$8 = -5, then find the value of 10$2 = ?

P, W, Q, X, R, Y, Z and S sit randomly in a circle facing each other. Consider the following information and questions based on it.

1. Y sits exactly between Q and R

2. P does not sit next to either X or Z

3. Z is to the immediate right of Q

4. S sits third from left of X and the right of Y.

X sits between -

A series is given, with one number missing. Choose the correct alternative from the given ones that will complete the series.

3/5, 1.4, 11/5, ? , 19/5, 4.6

Select the related word from the given alternatives.
River : Stream :: Ocean : ?

If 29$14 = 6, 37$25 = 3 then what is the value of 84$62 = ?