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The cost of type A cement is Rs 100 per kg and that of type B cement is Rs 120 per kg. If both are mixed in the ratio of 2:3, the price of the cement mixer per kg will be

Solution

✅ Correct Option: 3

Using weighted average for the mixture:

Mixed price = 2×100+3×1202+3=200+3605=5605=112\frac{2 \times 100 + 3 \times 120}{2 + 3} = \frac{200 + 360}{5} = \frac{560}{5} = 112.

So the price of the mixed cement is Rs 112 per kg.

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