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प्रश्न
If p : q = 2 : 5 , q : r = 4 : 3, then find p : r
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उत्तर
p : q = 2 : 5 `=> "p"/"q" = 2/5`
q : r = 4 : 3 `=> "q"/"r" = 4/3`
`=> "p"/"q" xx "q"/"r" = 2/5 xx 4/3`
`=> "p"/"q" = 8/15`
p : r = 8 : 15
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