Currency Exchange

Quantitative Finance Level 1

If 1$ = 60 INR , And 1 INR = 330 Dongs, Then 1 $ is how many Dongs?

Cannot be determined. 19800 19700 19000

Mehul Arora by Mehul Arora , 20, India

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2 solutions

Mehul Arora
Mar 5, 2016

The Exchange rates between two currencies is INDEPENDENT with of the currency rates with respect to other countries.

To support my answer, 1 USD = 22857 Dongs.

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This is not even mathematics - it is just general knowledge, then.

Luca Seemungal - 5 years, 3 months ago

It is not completely independent. It is within a pretty tight range, otherwise there is an arbitrage opportunity to be had.

Looking at current mid-market rates, I see 1 USD = 67.16 INR and 1 INR = 332 Dong and 1 USD = 22295 Dong. 67.16 × 332 = 22297 ≈ 22295 67.16 \times 332 = 22297 \approx 22295 with . 01 % .01 \% error. (which is very reasonable given my approximate values).

Note: I'm not sure where you're getting your currency exchange values, it hasn't been 1USD to 60 INR since late 2014.

Calvin Lin Staff - 5 years, 3 months ago

1 $ ( 60 I N R 1 $ ) ( 330 D o n g s 1 I N R ) = 19800 D o n g s 1\$ \left(\dfrac{60~INR}{1\$}\right)\left(\dfrac{330~Dongs}{1~INR}\right)=19800~Dongs

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