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1). 144002). 192003). 96004). 7200 |
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Answer» Let the average price of costliest metal be RS. T per gram. ⇒ SUM of price of all 5 metals = 5 × Rs. 432 = Rs. 2160 And, Sum of price of all 4 metals(EXCLUDING costliest metal) = 4 × Rs. (432-132) = Rs. 1200 ⇒ Price of a gram of costliest metal = Rs. 2160 – Rs. 1200 = Rs. 960 ⇒ Price of 20 grams of costliest metal = 20 × Rs. 960 = Rs. 19200 |
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