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प्रश्न
Find the value of x in the following proportions : 2.5 : 1.5 = x : 3
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उत्तर
2.5 : 1.5 = x : 3
⇒ 1.5 × x = 2.5 x 3
x = `(2.5 xx 3)/(1.5)`
= 5.0.
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