Question

Shubhi saw a beautiful ring which was made of Electrum. Electrum is an alloy

of gold and silver with a small amount of other metals and is white in colour.

The ratio of gold and silver in a sample of electrum is 9:7.If the weight of the silver in that

sample of alloy is 9.8 kg. Then, what is the weight of the gold in the alloy?

a) 11.2 kg

b) 8.8 kg

c) 10.5 kg

d) 12.6 kg​

Answer 1

Answer:

⊙﹏⊙⊙﹏⊙⊙﹏⊙⊙﹏⊙

Step-by-step explanation:

c) 10.5 kg

I hope it's helpful:-)

Answer 2

Answer:

D)12.6

Step-by-step explanation:

LET THE WEIGHT OF GOLD BE x

A/Q,

9:7 = x:9.8

=> x= 9×9.8 /7

= 12.6 kg

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