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प्रश्न
The ratio between 7 and 5 is same as the ratio between ₹ x and ₹ 20.50; find the value of x.
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उत्तर
Since, It is given that the ratio between 7 and 5 is same as the ratio between ₹ x and ₹ 20.50
∴ 7 : 5 = x : 20.50
⇒ 5x = 7 × 20.50
⇒ x = `(7×20.50)/5`
⇒ x = 28.7
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