A goldsmith from Highgarden is licenced to buy only two compositions of gold. One of 12 carats and the other of 16 carats purity. He wishes to make an ornament of 15 carats purity. In what amount must he mix the compositions so as to get the required composition of gold?

3:4

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3:5

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2:5

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1:3

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2:3

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Solution

The correct option is D
1:3

$∴ He should mix both the qualities in the ratio 1:3.$

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A goldsmith from Highgarden is licenced to buy only two compositions of gold. One of 12 carats and the other of 16 carats purity. He wishes to make an ornament of 15 carats purity. In what amount must he mix the compositions so as to get the required composition of gold?

The correct option is D 1:3 ∴He should mix both the qualities in the ratio 1:3.

The correct option is D
1:3

$∴ He should mix both the qualities in the ratio 1:3.$