Question

22. 150 litres of mixture of milk and water contains 20% of water.
How much water (in litre) must be added to it. So that there
is 25% water in the new mixture?
a. 15
b. 10
d. 20
C. 25
​

Answer 1

Answer:

a for apple b for ball

then if this 2 r correct

hence the answer is c for cat

Answer 2

Answer:

Number of liters of water in 150 liters of the mixture = 20% of 150 = 20/100 x 150 = 30 liters.

P liters of water added to the mixture to make water 25% of the new mixture.

Total amount of water becomes (30 + P) and total volume of mixture is (150 + P).

(30 + P) = 25/100 x (150 + P)

120 + 4P = 150 + P => P = 10 liters.

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