Mathematical an...

In a certain code HEATER is written as KBDQHO, how will you encode COOLER?

In a certain code, MONKEY is written as XDJMNL. How is TIGER written in that code?

In a family there are six members $$A, B, C, D, E$$ and $$F$$. 
$$A$$ and $$B$$ are married couple,
$$A$$ being the male member.
$$D$$ is the only son of $$C$$ who is the brother of $$A$$.
$$E$$ is the sister of $$D$$.
$$B$$ is the daughter in law of $$F$$ whose husband has died.

 Harsh is the father of Santosh.
 Preeti is the daughter of Beena and Beena is the wife of Harsh.
 Santosh is not the daughter of Beena.
 Find out the relationship of Santosh and Preeti.

In a certain language $$WHITE$$ is written as $$DSRGV$$. How will $$BLACK$$ be written in that language?

Introducing a man, a woman said, "His wife is the only daughter of my father". How that man was related to the woman?

If SCIENCE is coded as UFMJTJM, GENE will be coded as

If in a certain code MANISH is written as NZMRHS, then how will RANJITA be written in the same code?

Neelam, who is Rohit's daughter, says to Indu,"Your mother Reeta is the younger sister of my father, who is the third child of Sohanji." How is Sohanji related to Indu ?

If EQOKYO stands for DOLLAR and QQXMBP stands for POUNDS, then MARKET stands for