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Give that 24 Carat gold is pure gold. 18 Carat gold is$\frac{3}{4}$ pure gold and 20 carat gold is $\frac{5}{6}$ pure gold. The ratio of the pure gold in 18 carat gold to the pure gold in 20 carat gold is:

 

Option: 1

3: 8


Option: 2

9 : 10


Option: 3

15 : 24


Option: 4

8 : 5

 


Answers (1)

best_answer

Required ratio = 3/4 : 5/6  = 9/10
So ratio = 9:10

 

Posted by

manish painkra

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