The ratio of copper and zinc in brass is 25 : 12. How much amount of copper will be there in 370 kg of brass?
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 2 i.e. 250 kg.
the ratio of copper to zinc in brass = 25 : 12
The total parts in the ratio of copper to zinc = 25 + 12 = 37 parts
The amount of copper in 370 kg of brass = 25/37 × 370 = 25 × 10 = 250kg