Verbal Reasoning - Mental Ability Questions

If HUMBLED is coded as JWODNGF, then how will WAX be coded as?

In a certain code language, '÷' represents '+', '-' represents 'x', '+' represents '÷' and 'x' represents '-'. Find out the answer to the followingquestion. 8 ÷ 14 - 20 + 5 x 2 = ?

If SYSTEM is written as RXRSDL.
How can CORRECT be written in that code?

Select the related word/letters/number from the given alternatives.
Frog : Amphibian : : Cobra : ?

If 15@7=44; 5@4=18; 6@17=46; then what is the value of 17@4=?

In a certain code language, “TALCS” is written as “UENCV”. How is “SPARK” written in that code language?

In a certain code language, “MAGNET” is written as “WHQJDP”. How is “FRAUDS” written in that code language?

In a certain coded language, 'hit ka tom' is written as 'tie the shoes', 'ka lo fod' is written as 'shoes of leather' and 'lo tin lot' is written as 'leather and raxin'. How is 'of' written in this code language?