A) 2.5 kg
B) 5 kg
C) 7.5 kg
D) 10 kg
Correct Answer: B
Solution :
Let the quantity of water mixed be \[x\,\,\text{kg}.\] Let the cost price of \[1\,\,\text{kg}\] of pure milk = Rs. 1 \[\therefore \] Gain per cent \[=\frac{x}{50}\times 100\Rightarrow 2x=10\Rightarrow x=5\,\,\text{kg}\]You need to login to perform this action.
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