An alloy of copper and nickel contains 65 % copper. A second alloy contains copper and nickel in the ratio 17 : 3. In what ratio should the two alloys be mixed so that the new mixture contains 4 times as much copper as nickel?

Keep practicing — related questions

• A, B and C were partners sharing profits in the ratio 5 : 4 : 1. 'A' retired and new ratio was decided as 3...
• Which of the following enzymes contain copper? 1. Arginase 2. Ceruloplasmin 3. Laccase 4. Nitrate reductase
• Which two cause a compiler error? float[ ] f = new float(3); float f2[ ] = new float[ ]; float[ ]f1 = new f...
• Which two statements are equivalent? 1. 3/2 2. 3<2 3. 3*4 4. 3<<2
• Which two statements are equivalent? 1. 16*4 2. 16>>2 3. 16/2^2 4. 16>>>2
• What two statements are true about the result obtained from calling Math.random()? 1. The result is less th...
• switch(x) { default: System.out.println(Hello); } Which two are acceptable types for x? 1. byte 2. long 3. ...
• Which of the following pairs is/are correctly matched? 1. Diamond - Conductor of electricity 2. Steel - Mag...