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Find the Compound Ratio of Sqrt2: 1, 3: Sqrt5` and `Sqrt20: 9 - ICSE Class 10 - Mathematics

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Question

Find the compound ratio of `sqrt2: 1, 3: sqrt5` and `sqrt20: 9`

Solution

Required compound ratio = `sqrt2 xx 3 xx sqrt20 : 1 xx sqrt5 xx 9`

`= (sqrt2 xx 3 xx sqrt20)/(1 xx sqrt5 xx 9`

`= (sqrt2 xx sqrt4)/3`

`= (2sqrt2)/3 = 2sqrt2 : 3`

  Is there an error in this question or solution?

APPEARS IN

 Selina Solution for Selina ICSE Concise Mathematics for Class 10 (2018-2019) (2017 to Current)
Chapter 7: Ratio and Proportion (Including Properties and Uses)
Ex.7A | Q: 20.4

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Solution Find the Compound Ratio of Sqrt2: 1, 3: Sqrt5` and `Sqrt20: 9 Concept: Ratios.
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