An alloy contains copper, zinc and nickel in the ratio of $5 : 3 : 2$. The quantity of nickel (in kg) that must be added to $100$ kg of this alloy to have the new ratio $5 : 3 : 3$ is:

Options:

• A: $10$ kg
• B: $12$ kg
• C: $15$ kg
• D: $8$ kg

Related Practice Questions:

• Which of the following artifacts, extensively found at Burzahom and Gufkral, specifically indicates that the Neolithic inhabitants of Kashmir practiced sewing animal skins for clothing to survive the harsh winters?
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• The first human colonization of the fertile Ganga plains, as evidenced by archaeological discoveries at Sarai Nahar Rai and Mahadaha, took place during which period?
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