Ratio and Proportion SSC CGL Questions

SSC CGL-Quantitative Aptitude

Ratio and Proportion MCQ Questions


7.
The given histogram represents the marks of students in Maths test of a certain class.
The total number of students is 350.
Study the graph and answer the questions that follow.

What is the ratio of the total number of students who scored 140 marks and above to the total number of students who scored marks between 60 and 120?
SSC CGL 2021-11.04.2022-1
A.
110:137
B.
9:11
C.
11:09
D.
137:110
😑 View Answer Rough Work Error
ANSWER :
A. 110:137
8.
The given bar graph shows the exports of cars of type A and B (in millions) from 2014 to 2018. Study the graph and answer the question that follows.

What is the ratio of the total exports of cars of rune A in 2014 and 2018 to the total exorts of cars of type B in 2015 and 2017?
SSC CGL 2021-12.04.2022-1
A.
20:21
B.
10:09
C.
5:04
D.
13:12
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ANSWER :
A. 20:21
9.
At present, A is younger than B by 8 years. If 4 years ago, their ages were in the ratio 1:2, then what is the present age of B (in years)?
SSC CGL 2021-12.04.2022-1
A.
11
B.
20
C.
12
D.
18
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ANSWER :
B. 20
10.
If the volume of a sphere is equal to that of a cylinder having the same radius, then find the ratio of the radius to the height of the cylinder.
SSC CGL 2021-12.04.2022-2
A.
1:2
B.
2:3
C.
3:4
D.
3:5
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ANSWER :
C. 3:4
11.
The given pie chart shows the percentage of students in five schools and the table shows the ratio of boys and girls in each school.
Study the pie chart and answer the question.

The below table shows the ratio of girls and boys in the given 5 schools.
School Girls:Boys
A 3:4
B 2:3
C 5:3
D 1:2
E 4:1
If the total number of girls from all five schools is represented as a pie chart, then what will be the measure of the sector angle (to the nearest integer) corresponding to school B?
SSC CGL 2021-12.04.2022-3
A.
48°
B.
32°
C.
58°
D.
42°
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ANSWER :
D. 42°
12.
In a factory with 400 employees, the ratio of the number of male employees to that of female employees is 5:3. There are 87.5% regular employees in the factory. If 92% of male employees are regular employees, then what is the percentage of regular female employees?
SSC CGL 2021-13.04.2022-1
A.
80%
B.
78%
C.
87.5%
D.
85%
😑 View Answer Rough Work Error
ANSWER :
A. 80%