Verbal Reasoning - Mental Ability Questions

If 10$25 = 8, 12$25 = 10 then what is the value of 14$53 = ?

If 4 * 7 * 2 = 361 and 5 * 9 * 1 = 480, then 2 * 1 * 3 = ?

A boy says to a girl, "Your father's wife is the only daughter of my maternal grandmother." How is the boy related to the girl?

If REGAINS is coded as QDFZHMR, then how will PRY be coded as?

If 92 A 42 B 32 = 56 and 72 A 22 B 12 = 44, then 112 A 52 B 72 = ?

In a certain code language, "DELETE" is written as "#@^@%@" and "GRAM" is written as "!?*&". How is"TELEGRAM" written in that code language?

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

BXM, EUP, HRS, ?

Pointing towards a boy Meera said 'He is the son of the only son of my grandfather.' How is that boy related to Meera?