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The age of Chandi and Radhika are in the...

The age of Chandi and Radhika are in the ratio `5:3`. If Chandi's age is 20 years, find the age of Radhika.

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5 : 3 = 20 : x
`implies x =(3 xx 20)/5` (by the forst property)
`impies x = 12`
Hence the age of Radhika is 12 years.
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