Question

6 kg of Rs 8/kg wheat is mixed with 3 kg of another type of wheat to get a mixture costing Rs 10/kg. Find the price of the costlier wheat.
Rs 12/kg
Rs 14/kg
Rs 16/kg
Rs 6/kg

Answer 1

Answer - Rs 14 /kg


let the rate of another wheat = x /kg



Total cost = 3x + 6×8 = 10 ×(3+6)

=> 3x = 90 - 48 = 42

=> x = 42/3 = 14 ......

Answer 2

The correct option is B) Rs 14/kg.

Step-by-step explanation:

Consider the provided information.

Place price on the top of the cross, and quantity on the bottom of the cross and the final average in the middle.

  8                 x

    \              /

       \       /

          10

       /       \

    /            \

6                 3

(x-10)            (10-8)

Now form the equation.

$\dfrac{x-10}{10-8}=\dfrac{6}{3}$

$\dfrac{x-10}{2}=\dfrac{6}{3}$

$3x-30=12\\\\3x=42\\\\x=14$

Hence, the correct option is B) Rs 14/kg.

#Learn more

A mixture of 100 litres of spirit and alcohol contains 25% alcohol. How much more alcohol should be added to the mixture to increase the percentage of alcohol to 30% in the new mixture?

3.33 litres

4 litres

5.67 litres

7.14 litres

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