railway RRB NTPC Mock Test Series 2024-25 (CBT 1 + CBT 2) Quantitative Aptitude Mixture Problems To Make a Mixture from Two or More Things
An alloy contains copper, zinc, and nickel in the ratio of 3 ∶ 2 ∶ 5 respectively. What quantity of nickel (in kg) must be added to 100 kg of this alloy to have the new ratio of copper, zinc and nickel 3 ∶ 2 ∶ 6 respectively?
1
15 kg
2
20 kg
3
8 kg
4
10 kg