Is this right vs. Is this correct?

[Homolot]

Business Idiom in English, Intermediate level

ESL/EFL Test #66 "How to ask the way", question 10

Is this ......... for the railway station?

(a) correct
(b) clear
(c) fine
(d) right

Business Idiom in English, Intermediate level

ESL/EFL Test #66 "How to ask the way", answer 10

Is this right for the railway station?

Correct answer: (d) right

Your answer was: incorrect
Is this correct for the railway station?
_________________________

Why right and not correct?

[Hieupt]

I've got the same question! Could someone explain....?
_________________
Thank you very much,
Hieu Phan.

P/s: Please just correct if I'm wrong somewhere!