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Alligation - Aptitude MCQ Questions and Solutions with Explanations

Alligation MCQ Questions and answers with easy and logical explanations.Arithmetic Ability provides you all type of quantitative and competitive aptitude mcq questions on Alligation with easy and logical explanations. Alligation MCQ is important for exams like Banking exams,IBPS,SCC,CAT,XAT,MAT etc. Page-10 section-1

91
How many kg of salt costing Rs. 28 per kg must be mixed with 39.6 kg of salt costing Rs. 16 per kg, so that selling the mixture at Rs. 29.90, there is a gain of 15%.
Discuss
Answer & Solution
Answer: Option A
Solution:
Alligation mcq question image
92
In what ratio should sugar costing Rs. 40 per kg he mixed with sugar costing Rs. 18 per kg. So as to earn a profit of 20% by selling the mixture at Rs. 54 per kg?
Discuss
Answer & Solution
Answer: Option A
Solution:
Alligation mcq question image
6 ⟶ Rs. 54
1 ⟶ Rs. 9
5 ⟶ Rs. 45
93
A and B are solutions of acid and water. The ratios of water and acid in A and B are 4 : 5 and 1 : 2 respectively. If x litres of A is mixed with y litres of B, then ratio of water and acid in the mixture becomes 8 : 13. What is x : y?
Discuss
Answer & Solution
Answer: Option C
Solution:
In A, water = $$\frac{4}{9}$$
In B, water = $$\frac{1}{3}$$
In C, water = $$\frac{8}{{21}}$$
Alligation mcq question image
x : y = 3 : 4
94
A drink of chocolate and milk contains 8% pure chocolate by volume. If 10 litres of pure milk are added to 50 litres of this drink, the percentage of chocolate in the new drink is:
Discuss
Answer & Solution
Answer: Option A
Solution:
Chocolate → 8% of 50 litres ⇒ 4 litres
Alligation mcq question image
$$\frac{4}{{60}} \times 100 \Rightarrow 6\frac{2}{3}\% $$