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Question
Find the duplicate ratio of the following :
`2/3 : 4/9`
Solution
`2/3 : 4/9`
= `(2/3)^2 : (4/9)^2`
= `4/9 : 16/81`
= `4/9 xx 81/14`
= `9/4`
Duplicate ratio = 9 : 4
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