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Ratio and Proportion — Mathematics STD 10 — Question

ICSE BoardEnglish MediumSTD 10MathematicsRatio and Proportion3 Marks
Question
Find the reciprocal ratio of e following :
$a^3b^2 : a^2b^3$
✓

Answer

$a^3 b^2: a^2 b^3 $
$ =\frac{1}{a^3 b^2}: \frac{1}{a^2 b^3}$
$ =\frac{1}{a^3 b^2} \times \frac{a^2 b^3}{1}$
$ =b: a $
$\text { Reciprocal ratio }=b: a$

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