Line Graph: Exercise-10


Overview:


Questions and Answers Type:MCQ (Multiple Choice Questions).
Main Topic:Data Interpretation.
Data Interpretation Sub-topic:Line Graph Questions and Answers.
Number of Questions:5 Questions with Solutions.

Directions: Study the following graph carefully and answer the questions given below it.


The number of students appearing for a college admission test from various cities (in millions).


image

  1. The number of students appearing for the college admission test from city S is approximately what percent of the number of students appearing for the test from city R?

    1. 140 %
    2. 120 %
    3. 110 %
    4. 100 %


Answer: (a) 140 %

Solution: Required percentage $$ = \left[\frac{7}{5} \times 100\right] \ \% $$ $$ = 140 \ \% $$

  1. What is the ratio of the number of students appearing for the college admission test from city T to that of city U?

    1. 3 : 7
    2. 4 : 5
    3. 5 : 7
    4. 7 : 8


Answer: (d) 7 : 8

Solution: Required ratio $$ = \frac{7}{8} $$ $$ = 7 : 8 $$

  1. The number of students appearing for the college admission test from city U is approximately what percent of the total number of students appearing for the college admission test from all the cities together?

    1. 21 %
    2. 25 %
    3. 29 %
    4. 32 %


Answer: (a) 21 %

Solution: Required percentage $$ = \left[\frac{8}{38} \times 100\right] \ \% $$ $$ = 21.052 \ \% $$ $$ \approx 21 \ \% $$

  1. What is the average number of students appearing for the college admission test from all the cities together?

    1. 3.52 million
    2. 4.67 million
    3. 4.81 million
    4. 6.34 million


Answer: (d) 6.34 million

Solution: Required average $$ = \frac{38}{6} $$ $$ = 6.34 \ million $$

  1. What is the ratio of the number of students appearing for the college admission test from the cities P, Q, and S together to the number of students appearing for the test from the cities R, T, and U together?

    1. 7 : 8
    2. 9 : 10
    3. 11 : 12
    4. 11 : 13


Answer: (b) 9 : 10

Solution: Required ratio $$ = \frac{18}{20} $$ $$ = 9 : 10 $$