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When I went to Susambil, I found out that Susambil money has four coins: copper, dinar, huml and vizr. I recognize this was not aware of the value of gal. But after some time I was offered to exchange one copper and one dinar for two viz. Soon one huml and one dinar were three- They offered to change the visa. Based on these propositions, which of the following right? A Copper is more expensive than a dinar.
B Dinars are more expensive than humid.
C Huml is more expensive than vizr.
D Vizr is more expensive than copper.

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