The cost of type 1 rice is Rs 15 per kg and Type 2 rice is Rs 20 per kg If both Type 1 and Type 2 are mixed in ratio of 2 : 3 then find the price per kg of the mixed variety of rice

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Solution

The correct option is B 18

Let the price of the mixed variety be Rs. x per kg By the rule of alligation we have
$∴ \frac{(20 - x)}{(x - 15)} = \frac{2}{3} \Rightarrow 60 - 3 x = 2 x - 30$
$\Rightarrow$ 5x = 90
$\Rightarrow$ x = 18
So price of he mixture is Rs.18 per kg

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The cost of type 1 rice is Rs 15 per kg and Type 2 rice is Rs 20 per kg If both Type 1 and Type 2 are mixed in ratio of 2 : 3 then find the price per kg of the mixed variety of rice

The correct option is B 18Let the price of the mixed variety be Rs. x per kg By the rule of alligation we have ∴(20−x)(x−15)=23⇒60−3x=2x−30⇒ 5x = 90⇒ x = 18So price of he mixture is Rs.18 per kg

The correct option is B 18

Let the price of the mixed variety be Rs. x per kg By the rule of alligation we have
$∴ \frac{(20 - x)}{(x - 15)} = \frac{2}{3} \Rightarrow 60 - 3 x = 2 x - 30$
$\Rightarrow$ 5x = 90
$\Rightarrow$ x = 18
So price of he mixture is Rs.18 per kg