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Reshma prepared 18 kg of Burfi by mixing Khoya with sugar in the ratio of 7 : 2. How much Khoya did she use?

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The ratio of Khoya to sugar = 7 : 2

Let the quantity of Khoya be 7x kg and sugar be 2x kg.

∴ 7x + 2x = 18 ⇒ 9x = 18 => x = 18/9 = 2 

∴ The quantity of Khoya be (7 × 2) kg = 14 kg

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