Top 10 Questions (Ratio and Proportion) for SSC CGL and CHSL

Top 10 Questions Arithmetic Ability for SSC CGL and CHSL

Top 10 Questions (Ratio and Proportion) for SSC CGL and CHSL

Answers are in bold

1)

In a class, the number of girls is 20% more than that of the boys. The strength of the class is 66. If 4 more girls are admitted to the class, the ratio of the number of boys to that of the girls is

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

2)

If A : B = 3 : 4 and B : C = 8 : 9, then the ratio A : B : C is

A) 3 : 4 : 5
B) 1 : 2 : 3
C) 7 : 12 : 17
D) 6 : 8 : 9

3)

If a : b = b : c, then the ratio is equal to

A)
B)
C)
D)

4)

A bag contains Rs. 145 in the form of one-rupee. 50-paise and 25-paise coins in the ratio 3 : 5 : 7. The number of one-rupee coins is

A) 60
B) 50
C) 48
D) 45

5)

Ram and Gopal have money in the ratio 7 : 17 and Gopal and Krishna also have money in the same ratio 7 : 17. If Ram has Rs. 490, Krishna has

A) Rs. 2330
B) Rs. 2680
C) Rs. 2890
D) Rs. 3000

6)

If a : b : c = 3 : 4 : 7, then ratio of (a+b+c) : c will be equal to :

A) 2 : 1
B) 14 : 3
C) 7 : 2
D) 1 : 2

7)

The ratio of present ages of A and B is 4:5 and after 5 years it will be 5:6. What is the present age of A?

A) 10 years
B) 20 years
C) 25 years
D) 40 years

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 students of three classes is 2:3:4. If 12 students are increased in each classes then their ratio turns into 8:11:14. What was the total number of students in all the three classes originally ?

A) 162
B) 108
C) 96
D) 54