1.

An alloy contains copper, zinc and nickel in the ratio of 5 : 3 : 2. The quantity of nickel (in kg) that must be added to 100 kg of this alloy to have the new ratio 5 : 3 : 3 is

A. 8
B. 10
C. 12
D. 15
Answer» C. 12


Discussion

No Comment Found