Bar Diagrams: Exercise-5


Overview:


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

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


Income of three families A, B, and C on four different months.


image
  1. Find the average income of family B over all the four months together?

    1. 32.5 Thousands
    2. 37.5 Thousands
    3. 41.5 Thousands
    4. 42.5 Thousands


Answer: (b) 37.5 Thousands

Solution: Average income of family B over all the four months together, $$ = \frac{30 + 40 + 45 + 35}{4} $$ $$ = 37.5 \ Thousands $$

  1. What is the total amount earned by family A and B together on January and April together?

    1. 100 Thousands
    2. 110 Thousands
    3. 120 Thousands
    4. 130 Thousands


Answer: (b) 110 Thousands

Solution: Total amount earned by family A and B together on January and April, $$ = 25 + 30 + 20 + 35 $$ $$ = 110 \ Thousands $$

  1. Family A donated their January month income to family C. What was the total income of family C on the month January after the donation of family A?

    1. 45 Thousands
    2. 48 Thousands
    3. 52 Thousands
    4. 56 Thousands


Answer: (a) 45 Thousands

Solution: Total income of family C on January, $$ = 20 + 25 $$ $$ = 45 \ Thousands $$

  1. What is the difference between income of family C on Fabruary to the income of family B on January?

    1. 5 Thousands
    2. 10 Thousands
    3. 15 Thousands
    4. 20 Thousands


Answer: (d) 20 Thousands

Solution: Required difference, $$ = 50 - 30 $$ $$ = 20 \ Thousands $$

  1. What is the respective ratio between the income of family B on Fabruary, March and April?

    1. 7:8:9
    2. 9:8:7
    3. 8:9:7
    4. 9:7:8


Answer: (c) 8:9:7

Solution: Required ratio, $$ = 40 : 45 : 35 $$ $$ = 8 : 9 : 7 $$