Question

in may 2012 ,prakash's father was 10 times as old as prakash . In may 2017 ,he will be 5 times as old as prakash . How old were they in 2012 ?​

Answer 1

Answer:

1. To separate oil from mixture of salt and water, pour the solution in a beaker and let the oil to float on the top.

2. Once it has settled, pour the oil from the top carefully so that the oil and water does not get mixed once again.

3. Now, to separate salt and water mixture, follow the process of distillation and you will get separate water and salt.

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