Multiple choice

Neha Mishra bought two types of vegetables. The cost of first vegetable is Rs. 18 per kg and that of second vegetable is Rs. 22 per kg. She bought both the vegetables in the ratio 2 : 3 and mixed them. What would be the price of the mixed vegetables?

  1. Rs. 20.4

  2. Rs. 22.2

  3. Rs. 24.8

  4. Rs. 26.5

  5. Rs. 30.6
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A Correct answer
Explanation

Weighted average = (18*2 + 22*3) / (2+3) = (36 + 66) / 5 = 102 / 5 = 20.4.

AI explanation

Using the weighted average formula, the cost of the mixed vegetables is the total cost divided by the total quantity. For two parts of the first vegetable and three parts of the second, the total cost is 2 times 18 plus 3 times 22, which equals 102. The total quantity is 5 parts, making the price 102 divided by 5. The result is Rs. 20.4.

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