Quantitative Aptitude

Quantitative Aptitude Quiz: Mixture And Alligation

Ajay Singh
Feb 9, 2021
72 Views

It is crucial to have a good command over the Quantitative Aptitude section to score high in competitive exams and make it to the final merit list. With frequent quizzes based on different topics from the Quantitative Aptitude section, Exammr has come to your rescue in improving your mathematical skills with the passage of each day.

Q1. How many litres of a 12 litre mixture containing milk and water in the ratio of 2 : 3 be replaced with pure milk so that the resultant mixture contains milk and water in equal proportion?

a) 1 litre
b) 2 litres
c) 3 litres
d) 4 litres
e) None of the above

Q2. 48 litres of a mixture has 75% alcohol. How much water must be added to it to get 60% alcohol concentration?

a) 12 litres
b) 10 litres
c) 14 litres
d) 13 litres
e) None of the above

Q3. 17 litres of mixture has 80% milk. How much milk should be added to the mixture to make it 90% pure?

a) 15 litres
b) 13 litres
c) 19 litres
d) 17 litres
e) None of the above

Q4. If the average income of a family of 'x' members is Rs. 25000 while the average income of another family of 6 members is Rs. 32000, then find the value of 'x' if the average income of both families is Rs. 28000.

a) 7
b) 8
c) 9
d) 6
e) None of the above

Q5. How many kgs of Basmati rice costing Rs.42/kg should a shopkeeper mix with 25 kgs of ordinary rice costing Rs.24 per kg so that he makes a profit of 25% on selling the mixture at Rs.40/kg?

a) 24
b) 22
c) 18
d) 20
e) None of the above

Q6. How many litres of water should be added to a 30 litre mixture of milk and water containing milk and water in the ratio 7:3 such that the resultant mixture has 40 % water in it.

a) 5
b) 6
c) 4.5
d) 3.5
e) None of the above

Q7. A 20 litres mixture of milk and water comprising 60% pure milk is mixed with "x" litres of pure milk. The new mixture comprises 80% milk. What is the value of "x"?

a) 22
b) 20
c) 21
d) 23
e) None of the above

Q8. How many litres of a 12 litre mixture containing milk and water in the ratio of 2 : 3 be replaced with pure milk so that the resultant mixture contains milk and water in equal proportion?

a) 2
b) 5
c) 7
d) 3
e) None of the above

Q9. 48 litres of a mixture has 75% alcohol. How much water (in litres) must be added to it to get 60% alcohol concentration?

a) 13
b) 14
c) 15
d) 12
e) None of the above

Q10. 17 litres of a mixture has 80% milk. How much milk (in litres) should be added to the mixture to make it 90% pure?

a) 18
b) 11
c) 17
d) 12
e) None of the above

Answers:
b) 2 litres
a) 12 litres
d) 17 litres
b) 8
d) 20
a) 5
b) 20
a) 2
d) 12
c) 17

Mathematics Quiz Mixture And Alligation Quiz Quantitative Aptitude Quantitative Aptitude Quiz

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