Q3 LOGICAL PUZZLES

A certain perfume is available at a duty-free shop at the Bangkok international airport. It is priced in the Thai currency Baht but other currencies are also acceptable In particular, the shop accepts Euro and US Dollar at the following rates of exchange

  US Dollar 1 = 41 Bahts

  Euro 1= 46 Bahts

  The perfume is priced at 520 Bahts per bottle. After one bottle is purchased subsequent bottles are available at a discount of 30%. Three friends S, R and M together purchase three bottles of the perfume, agreeing to share the cost equally. R pays 2 Euros. M pays 4 Euros and 27 Thai Bahts and S pays the remaining amount in US Dollars

  How much does R owe to S in Thai Baht?

(a) 428

(b) 416

(c) 334

(d) 324

Total to be paid = 1248 Baht

Each has to pay 1248/3 = 416 Baht

R paid 92 Baht

M paid 184+27 = 211 Baht

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