Question

21.) A vessel contains 10 litres of pure milk. 1 litre of
milk is taken out and replaced by an equal amount
of water. 1 litre of mixture is then taken out and
replaced by an equal amount of water. Find the
final quantity of milk (in litres).
(1) 9 (2) 8.1 (3) 7.29
(4) None of these​

Answer 1

Answer:

8.1 ........................

Answer 2

Answer:

8.1

Step-by-step explanation:

Ratio of milk to water (after replacing 1 lit) = 9:1

Amount of milk in 1 lit of mixture = 900ml

Amount of milk left = 9 lit - 900ml

= 8.1 lit