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प्रश्न
The per cent of pure gold in 14 carat gold is about 58.3%. A 14 carat gold ring weighs 7.6 grams. How many grams of pure gold are in the ring?
उत्तर
Given, the percentage of gold in 14 carat gold = 58.3%
Weight of 14 carat gold = 7.6 grams
Need to find out no. of grams in pure gold
⇒ Pure gold in 14 carat gold of 7.6 g = `7.6 xx 58.2/100`
= `443.08/100`
= 4.431 g
Hence, pure gold in 7.6 g of 14 carat gold is equal to 4.431 g
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