search
Q: A metallic part of a machine is made from a mixture of copper, zinc and lead mixed in the ratio of 13 : 6 : 1. If the weight of zinc in this part is 90 kg, then the total weight of the part will be:
  • A. 285 kg
  • B. 195 kg
  • C. 210 kg
  • D. 300 kg
Correct Answer: Option D -
answer image

Explanations:

explanation image