Verbal Reasoning - Mental Ability Questions

If CHANTED is coded as ZEXKQBA, then how will MAY be coded as?

In a certain code language, '÷' represents '+', '-' represents 'x', '+' represents '÷' and 'x' represents '-'. Find out the answer to the following question.

9 ÷ 16 - 25 + 10 x 20 = ?

If 13 # 9 = 94 and 18 # 7 = 100, then 24 # 6 = ?

Find the missing number?

A series is given, with one word missing. Choose the correct alternative from the given ones that will complete the series.
Oxygen, Toil, Arouse, Arson, Tenuous, ?

A series is given, with one term missing. Choose the correct alternative from the given ones that will complete the series. NOM, QRP, TUS, ?

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.
LOQ, SVX, ZCE, ?

Arrange the given words in the sequence in which they occur in the dictionary.
i. Shortage
ii. Shore
iii. Shamelessly
iv. Shadiness
v. Shallow