Mixtures and Allegations is an important topic in the Quantitative Aptitude section in NMAT exam. Practising this topic will increase your score overall and make your conceptual grip on NMAT exam stronger.
This article gives you a full set of NMAT Mixtures and Allegations MCQs with explanations and NMAT previous year questions (PYQs) for effective practice. Practice of Quantitative Aptitude MCQs including Mixtures and Allegations questions regularly will improve accuracy, speed, and confidence in the NMAT 2025 exam.
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NMAT Mixtures and Allegations MCQs with Solutions
1.
On test tube contains some acid and another test tube contains an equal quantity of water. To prepare a solution, 20 grams of the acid is poured into the second test tube. Then, twothirds of the so-formed solution is poured from the second tube into the first. If the fluid in the first test tube is four times that in the second, what quantity of water was taken initially?- 80 grams
- 60 grams
- 40 grams
- 100 grams
2.
When three different varieties of a chemical are mixed in the ratio 3 : 7 : 8, the cost price of the mixture is Rs.\ 15 per litre. However, when the same varieties are mixed in the ratio 2 : 5 : 9, the cost price of the mixture is Rs.\ 18 per litre. What is the cost price of the mixture formed (in Rs.\ per litre) when the same three varieties of chemical are mixed in the ratio 6 : 13 : 5?
- 12
- 15
- 9
- 18
- None of these
3.
There are two vessels of equal capacity, one full of milk, and the second one-third full of water. The second vessel is then filled up out of the first, the contents of the second are then poured back into the first till it is full and then again the contents of the first are poured back into the second till it is full. What is the proportion of milk in the second vessel?- \(\frac{37}{20}\)
- \(\frac{20}{27}\)
- \(\frac{20}{37}\)
- \(\frac{27}{20}\)
4.
A petrol pump mixed leaded and unleaded petrol in such a way that the mixture contains 10\(\%\) unleaded to I litre mixture so that the percentage of unleaded petrol becomes 5\(\%\)?- 1900 ml
- 900 ml
- 1000 ml
- 1800 ml
5.
A tank of capacity 25 litres has an inlet and an outlet tap. If both are opened simultaneously, the tank is filled in 5 minutes. But if the outlet flow rate is doubled and taps opened the tank never gets filled up. Which of the following can be outlet flow rate in litres/min?- 2
- 6
- 4
- 3
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