Top 10 Questions (Mixtures and Allegations) for SSC CGL and CHSL

Top 10 Questions Arithmetic Ability for SSC CGL and CHSL

Top 10 Questions (Mixtures and Allegations) for SSC CGL and CHSL

Answers are in bold

1)

A jar contained a mixture of two liquids A and B in the ratio 4 : 1. When 10 liters of the mixture was taken out and 10 liters of liquid was poured into the jar, this ratio became 2 : 3. The quantity of liquid A contained in the jar initially was

A) 4 liters
B) 8 liters
C) 16 liters
D) 40 liters

2)

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

3)

Zinc and copper are in the ratio of 5 : 3 in 200 grams of an alloy. How much grams of copper be added to make the ratio 3 : 5?

A)
B)
C) 72
D) 66

4)

In what ratio must a mixture of 30% alcohol strength be mixed with that of 50% alcohol strength so as to get a mixture of 45% alcohol strength?

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

5)

The ratio in which tea costing Rs. 192 per kg is to be mixed with tea costing Rs. 150 per kg so that the mixed tea, when sold for Rs. 194.40 per kg gives a profit of 20%?

A) 2 : 5
B) 3 : 5
C) 5 : 3
D) 5 : 2

6)

A liquid ‘P’ is times as heavy as water and water is times as heavy as another liquid ‘Q’. The amount of liquid ‘P’ that must be added to 7 liters of the liquid ‘Q’, so that the mixture may weigh as much as an equal volume of water, will be

A) 7 liters
B) liters
C) 5 liters
D) liters

7)

1 liter of water is added to 5 liters of alcohol-water solution containing 40 % alcohol strength. The strength of alcohol in the new solution will be

A) 30%
B) 33%
C) %
D) %

8)

The ratio of zinc, copper and tin in any alloy is 2:3:1, and in another alloy the ratio of copper, tin and glass is 5:4:3. If in a new alloy both are taken in same weight, then what will be weight of glass per kg in the new alloy?

A) ½ kg
B) 1/8 kg
C) 3/14 kg
D) 7/9 kg

9)

The ratio of milk and water in 729 litre mixture is 7:2. To obtain a mixture in which the ratio of milk and water is 7:3, what will be the amount of extra water to be added in new mixture?

A) 81 litre
B) 71 litre
C) 56 litre
D) 50 litre

10)

The ratio of milk and water in 40 litre mixture is 7:1. To make the ratio of milk and water 3:1 in the mixture, what will be the amount of extra water (in litre) to be added in the mixture?

A) 6
B) 61/2
C) 62/3
D) 63/4