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प्रश्न
Find the reciprocal ratio of `x/3 : y/7`
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उत्तर
Reciprocal ratio of `x/3 : y/7`
= `1/(x/3) : 1/(y/7)`
= `3/x : 7/y`
= `(3/x)/(7/y)`
= `(3y)/(7x)`
= 3y : 7x
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