Question

4.
In a 90 kg non-ferrous casting containing Copper, Tin and Zinc in the ratio of 6:3:1, the
weight of copper is-
a) 27 kg
b) 9 kg
c) 54 kg
d) None of these​

Answer 1

Step-by-step explanation:

copper is 90 kg x 6/ 10 = 54 kg

tin is 90 kg x 3 / 10 = 27 kg

zinc is 90kg x 1 / 10 = 9 kg

weight of copper is 54kg

answer is C