Acids with 25% and 40% concentrations ar...

Acids with 25% and 40% concentrations are mixed to get 60 litres of 30% concentration. How many litres of each kind is needed?

Text Solution

Verified by Experts

The correct Answer is:

40 litres of 25% concentration, 20 litres of 40% concentration

Topper's Solved these Questions

LINEAR EQUATIONS IN TWO VARIABLES
NAGEEN PRAKASHAN ENGLISH|Exercise Revision Exercise Very Short Answer Questions|9 Videos
LINEAR EQUATIONS IN TWO VARIABLES
NAGEEN PRAKASHAN ENGLISH|Exercise Revision Exercise Short Answer Questions|10 Videos
LINEAR EQUATIONS IN TWO VARIABLES
NAGEEN PRAKASHAN ENGLISH|Exercise Exercise 3d|35 Videos
INTRODUCTION TO TRIGONOMETRY
NAGEEN PRAKASHAN ENGLISH|Exercise Revision Exercise Long Answer Questions|5 Videos
POLYNOMIALS
NAGEEN PRAKASHAN ENGLISH|Exercise Revision Exercise Long Answer Questions|4 Videos

Similar Questions

Explore conceptually related problems

90% acid solution (90% pure acid and 10% water) and 97% acid solution are mixed to obtain 21 litres of 95% acid solution. How many litres of each solution are mixed.

Express : 60 litres as a percentage of 40 litres

A solution of 8% boric acid is to be diluted by adding a 2% boric acid solution to it. The resulting mixture is to be more than 4% but less than 6% boric acid. If there are 640 litres of the 8% solution, how many litres of 2% solution will have to be added?

A chemist has 20% and 30% concentration of nitric acid with him. In an experiment, he mixed x mI of 20% concentration and 9 mI of 30% concentration in one container and in another container he mixed 4 mI of the 20% concentration with x ml of the 30% conentration. Surprisingly, the concentration of acid in both containers came out to be same. What is the value of X ( in ml) ?

A bartender mixes 30 ml of Port Wine having 10% alcohol concetration and 50 mI of Merlot wine having 21% alcohol concentration . The bartender needs to make a cocktail having 18% alcohol concentration. What volume of Chardonnay wine having 23% concentration must he use so that the final mixture has 18% concentration ?

A manufacturer has 600 litres of a 12% solution of acid. How many litres of a 30% acid solution must be added to it so that acid content in the resulting mixture will be more than 15% but less than 18%?

A manufacturer has 600 liters of 12% solution of acid. How many litres of a 30% acid solution must be added to it so that the acid content in the resulting mixture will be more then 15% but less than 18%?

An exterminator needs to dilute a 25% solution of an insecticide with a 15% solution of the same insecticide. How many more liters of the 25% solution that the 15% solution are needed to make a total of 80 liters of a 22% solution of the insecticide?

Solution of 9% acid is to be diluted by adding 3% acid solution to it. The resulting mixture is to be more than 5% but less than 7% acid, If there is 460 L of the 9% solution, how many litres of 3% solution will have to be added

Find the value of : 25% of 120 litres

NAGEEN PRAKASHAN ENGLISH-LINEAR EQUATIONS IN TWO VARIABLES -Exercise 3e

A boat travels for 7 hours. If it travels 4 hours downstream and 3 hou...
Text Solution
|
A sailor goes 8 km downstream in 40 minutes and returns in 1 hours....
Text Solution
|
Anshula walks 35 km partly at the rate 4 km/hour and Partly at 5 km/ho...
Text Solution
|
A bucket when filled (5)/(7) with water weights 12 kg and filled (3)/(...
Text Solution
|
Acids with 25% and 40% concentrations are mixed to get 60 litres of 30...
Text Solution
|
A person invested some amount at the rate of 12% simple interest and ...
Text Solution
|
rates?43. A milkman buys 15 litres milk partly at the rate of 12 per l...
Text Solution
|
Ved travels 600 km to his home partly by train and partly by car. H...
Text Solution
|
Students of a class are preparing for a drill and are made to stand...
Text Solution
|
A part of monthly hostel charges is fixed and the remaining depends on...
Text Solution
|
The ratio of incomes of A and B is 9 : 7 and the ratio of their expend...
Text Solution
|
Mr. Mohit has decided to walk on a treadmill for a fixed distance. Fir...
Text Solution
|
It takes 12 hours to fill a swimming pool using two pipes . If the pip...
Text Solution
|
A number consists of three digits whose sum is 17. The middle one exce...
Text Solution
|
In an examination, the number of those that passed and the number of t...
Text Solution
|
Ratio between the girls one long 11 class of 40 students is 2:3 five, ...
Text Solution
|
A certain amount is charged for 1 km for a scooter fare and lesser amo...
Text Solution
|
If 3 taps are open together, a cistern is filled in 3 hrs. One of the ...
Text Solution
|
When the numerator of a fraction increases by 4, the fraction incre...
Text Solution
|
Solve for a and b : 2^(a) + 3^(b) = 17 and 2^(a+2) - 3^(b+1) = 5
Text Solution
|