In an alloy, there is 20% of copper. To get 69 Kg of copper, how much alloy is required?
Answer & explanation
Correct answer: option 3
20% = \(\frac{1}{5}\) → (where 1 Copper and 5 Alloy)
1 → 69
5 → 69 × 5 = 345 Kg
In an alloy, there is 20% of copper. To get 69 Kg of copper, how much alloy is required?
Correct answer: option 3
20% = \(\frac{1}{5}\) → (where 1 Copper and 5 Alloy)
1 → 69
5 → 69 × 5 = 345 Kg