# 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.

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

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

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

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

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

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