The proportion of copper and zinc in the brass is 13 : 7. How much zinc will there be in 100 kg of brass? Options: A . &nbsp25 kg B . &nbsp35 kg C . &nbsp45 kg D . &nbspnone of these

The proportion of copper and zinc in the brass is 13 : 7. How much zinc will

Question

The proportion of copper and zinc in the brass is 13 : 7. How much zinc will there be in 100 kg of brass?

Options:

A . 25 kg

B . 35 kg

C . 45 kg

D . none of these

Answer: Option B

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Harithahotha 2018-04-08 03:05:21

7/(7+13)*100=7/20*100=35

Ramesh batik 2017-12-02 03:17:51

Ratio of copper and zinc =13:7

Quantity of zinc =7/20Ã—100
=35kg

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