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


c is the correct option




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%


c is the correct option




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


d is the correct option




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


d is the correct option




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


c is the correct option