Mixture and Alligation Quants MCQs with Answer - Exercise V

Ques 1 Mixture Alligation


In what ratio must a grocer mix two varieties of pulses costing Rs. 15 and Rs. 20 per kg respectively so as to get a mixture worth Rs. 16.50 kg?

A 3 : 7
B 5 : 7
C 7 : 3
D 7 : 5

Ques 2 Mixture Alligation


A dishonest milkman professes to sell his milk at cost price but he mixes it with water and thereby gains 25%. The percentage of water in the mixture is

A 4%
B 6(1/4)%
C 20%
D 25%

Ques 3 Mixture Alligation


A jar full of whiskey contains 40% alcohol. A part of this whisky is replaced by another containing 19% alcohol and now the percentage of alcohol was found to be 26%. The quantity of whisky replaced is

A 4/3
B 3/4
C 3/2
D 1/2

Ques 4 Mixture Alligation


A container contained 80 L milk. From this container 8 L of milk was taken out and replaced by water. This process was further repeated two times. How much milk is now contained in the container?

A 50 L
B 58.32 L
C 60 L
D 67.8 L

Ques 5 Mixture Alligation


In an alloy, zinc and copper are in the ratio 1: 2. In the second alloy, the same elements are in the ratio 2: 3. If these two alloys be mixed to form a new alloy in which two elements are in the ratio 5 : 8, the ratio of these two alloys in the new alloys is?

A 3 : 10
B 3 : 7
C 10 : 3
D 7 : 3