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Find the Duplicate Ratio of the Following

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Question

Find the duplicate ratio of the following :

`3 sqrt (2"a")  :  2 sqrt (3"a")`

Sum
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Solution

`3 sqrt (2"a")  :  2 sqrt (3"a")`

= `(3 sqrt (2"a"))^2 : (2 sqrt (3"a"))^2`

= 18a : 12a

= 3 : 2

Duplicate ratio = 3 : 2 

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Chapter 7: Ratio and Proportion - Exercise 9.1

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Frank Mathematics Part 2 [English] Class 10 ICSE
Chapter 7 Ratio and Proportion
Exercise 9.1 | Q 9.2
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