Question

6. An alloy of metal contains 45% nickel, 25%
copper and rest is zinc. How much zinc is there
in 3 kg alloys ?
​

Answer 1

Answer:900 gram

Step-by-step explanation:

% of zinc={100-(45+25)}%={100-70}%=30%

So, amount of zinc present in the alloy=30% of 3kg=0.9 kg=900 gram