### Quantitative Aptitude - Alligation or Mixture

#### Question - 1

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 per kg ?

• A 3 : 7
• B 4 : 7
• C 7 : 3
• D 7 : 5

#### Question - 2

Find the ratio in which rice at Rs. 7.20 a kg be mixed with rice at Rs. 5.70 a kg to produce a mixture worth Rs. 6.30 a kg.

• A 1 : 3
• B 2 : 3
• C 3 : 4
• D 4 : 5

#### Question - 3

In what ratio must tea at Rs. 62 per kg be mixed with tea at Rs. 72 per kg so that the mixture must be worth Rs. 64.50 per kg ?

• A 3 : 1
• B 3 : 2
• C 4 : 3
• D 5 : 3

#### Question - 4

In what ratio must water be mixed with milk costing Rs. 12 per litre to obtain a mixture worth of Rs. 8 per litre?

• A 1 : 2
• B 2 : 1
• C 2 : 3
• D 3 : 2

#### Question - 5

The cost of Type 1 rice is Rs. 15 per kg and Type 2 rice is Rs. 20 per kg. If both Type 1 and Type 2 are mixed in the ratio of 2 : 3, then the price per kg of the mixed variety

• A Rs.18
• B Rs.18.50
• C Rs.19
• D Rs.19.50

#### Question - 6

In what ratio must a grocer mix two varieties of tea worth Rs. 60 a kg and Rs. 65 a kg so that by selling the mixture at Rs. 68.20 a kg he may gain 10% ?

• A 3 : 2
• B 3 : 4
• C 3 : 5
• D 4 : 5

#### Question - 7

How many kilograms of sugar costing Rs. 9 per kg must be mixed with 27 kg of sugar costing Rs. 7 per kg so that there may be a gain of 10% by selling the mixture at Rs. 9.24 per kg?

• A 36 kg
• B 42 kg
• C 54 kg
• D 63 kg

#### Question - 8

In what ratio must water be mixed with milk to gain $16\frac { 2 }{ 3 } %$% on selling the mixture at cost price?

• A 1 : 6
• B 6 : 1
• C 2 : 3
• D 4 : 3

#### Question - 9

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 $6\frac { 1 }{ 4 } %$%
• C 20%
• D 25%

#### Question - 10

Two vessels A and B contain spirit and water mixed in the ratio 5 : 2 and 7 : 6 respectively. Find the ratio in which these mixture be mixed to obtain a new mixture in vessel C containing spirit and water in the ratio 8 : 5 ?

• A 4 : 3
• B 3 : 4
• C 5 : 6
• D 7 : 9