What is the difference between "permitted" and "granted"?

[ursus]

English Language Proficiency Tests, Advanced Level

ESL/EFL Test #79 "GMAT Vocabulary", question 3

Under the new regulations no one is allowed to smoke inside the building but you are ......... to smoke outside.

(a) arranged
(b) permitted
(c) granted
(d) let

English Language Proficiency Tests, Advanced Level

ESL/EFL Test #79 "GMAT Vocabulary", answer 3

Under the new regulations no one is allowed to smoke inside the building but you are permitted to smoke outside.

Correct answer: (b) permitted
_________________________

the answer is permitted. you are talking here about permission and there is no way to express that but using permitted?

ursus

[Yankee]

Hi

The word 'permitted' is the only one of the four choices that has the correct meaning and also works grammatically.