difference between economic and economical

[Lolo]

Business Idiom in English, Intermediate level

ESL/EFL Test #141 "Expressions and phrases with money", question 2

What's the ......... of India?

(a) coin
(b) cash
(c) currency
(d) money

Business Idiom in English, Intermediate level

ESL/EFL Test #141 "Expressions and phrases with money", answer 2

What's the currency of India?

Correct answer: (c) currency
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what is the difference between economic and economical?

Lolo

[Yankee]

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Here are the dictionary definitions:
economic
economical

If you want to check whether your understanding of the difference is correct, I'd suggest you post some sentences of your own for comment.
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