The duplicate ratio of 2 : 3 is

5 : 12

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4 : 9

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8 : 19

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16 : 84

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Solution

The correct option is B 4 : 9
For a given ratio $a : b$ ,
duplicate ratio = $a^{2} : b^{2}$

$∴$ 4 : 9 is the duplicate ratio of 2 : 3.

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Similar questions

Find duplicate ratio of :

(i) 3 : 4 (ii) $3 \sqrt{3} : 2 \sqrt{5}$

\sqrt{2} : \sqrt{3}

\frac{3}{5}

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