From ‘A’ kg of pure tea a shopkeeper removes A% of the mixture (Either pure tea or adulterated tea) and replaces it with same quantity of adulteration. If he repeated this process once more and now the amount of pure tea remaining in the mixture is (90% of 40% of A) kg, then find the value of A.

From ‘A’ kg of pure tea a shopkeeper removes A% of the mixture (Ei

1.	From ‘A’ kg of pure tea a shopkeeper removes A% of the mixture (Either pure tea or adulterated tea) and replaces it with same quantity of adulteration. If he repeated this process once more and now the amount of pure tea remaining in the mixture is (90% of 40% of A) kg, then find the value of A.
A.	60%
B.	50%
C.	40%
D.	30%
E.	None of these
Answer» D. 30%

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