Question
Two vessels A and B contain mixture of milk and water.
Ratio of milk and water in vessel A and B are in the ratio 1:2 and 3:2 respectively. In what ratio these two mixtures should be mixed so that new mixture contains 50% milk and 50% water.Solution
The instrument used to see the distant objects on the Earth is –
Which law of thermodynamics states that energy cannot be created or destroyed?

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