Verbal Reasoning - Mental Ability Questions

In a certain code language, 'x' represents '+', '÷' represents 'x', '-' represents '÷' and '+' represents '-'. Find out the answer to the following question.
 
15 x 4 ÷ 35 - 70 + 16 = ?

If MACHINE is coded as 19-7-9-14-15-20-11, how will you code DANGER?

Pointing a man, Suraj says, "He is the son of the sister of my father's wife". How is that man related to Suraj?

In the following question, select the related word from the given alternatives.
Mathematics : Formulas : : Chemistry : ?

In the following question, select the related letters from the given alternatives.
JKLM : IIII : : PQRS : ?

If WORK = 7935, ROCK = 3587 and WART = 1945, which digit stands for T?

If A=1, HAT=29, then PAN=?

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

DE, HI, LM,?