1800-212-7858 (Toll Free)
9:00am - 8:00pm IST all days

or

Thanks, You will receive a call shortly.
Customer Support

You are very important to us

022-62211530

Mon to Sat - 11 AM to 8 PM

# How many liters of water will have to be added to 1125 liters of the 45% solution of acid so that the resulting mixture will contain more than 25% but less than 30% acid content?

Asked by Topperlearning User 12th September 2016, 10:05 PM

Let us assume that l liters of water is added to 1125 liters so that the resulting mixture contain more than 25% but less than 30% acid solution.

Lets first calculate the acid content in 1125 liters (45% acid).

i.e., liters

Now when l liter of solution is added so the volume becomes (1125 + l) liter.
Now according to question the acid content should be more than 25% but less than 30% so

Now this can be written as two inequalities,

and

Multiplying by 100

Solving 2nd inequality

then

Hence the quantity of water added should be greater than 562.5 litre but less than 900.

Answered by Expert 13th September 2016, 12:05 AM
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10

You have rated this answer /10