Question

Zinc and copper are melted together in the ratio 9 : 11. What is the weight of melted mixture, if 28.8 kg of zinc has been consumed in it?

(a) 58 kg
(b) 80 kg
(c) 64 kg
(d) 90 kg

Answer 1

c) 64 kg is the correct answer

Answer 2

Explanation:

For 9 kg zinc, mixture melted = (9 + 11) kg

For 28.8 kg zinc , mixture melted = (20/9*28.8)

=64kg