# Pie Chart: Exercise-10

#### Overview:

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

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

Percentage-wise distribution of Engineers in a company in terms of specialisation. The total number of Engineers = 5500. 1. What is the total number of engineers having specialisation in EE, ME, and AU?

1. 2525
2. 2420
3. 2230
4. 2210

Solution: The total number of engineers having specialisation in EE.$$= \left[\frac{18}{100} \times 5500\right]$$ $$= 990$$ The total number of engineers having specialisation in ME.$$= \left[\frac{12}{100} \times 5500\right]$$ $$= 660$$ The total number of engineers having specialisation in AU.$$= \left[\frac{14}{100} \times 5500\right]$$ $$= 770$$ Required total $$= 990 + 660 + 770$$ $$= 2420$$

1. The engineers having specialisation in CE is approximately what percent of engineers having specialisation in IT?

1. 112.5 %
2. 110.5 %
3. 105.5 %
4. 101.5 %

Solution: The total number of engineers having specialisation in CE.$$= \left[\frac{18}{100} \times 5500\right]$$ $$= 990$$ The total number of engineers having specialisation in IT.$$= \left[\frac{16}{100} \times 5500\right]$$ $$= 880$$ Required percentage $$= \left[\frac{990}{880} \times 100\right] \ \%$$ $$= 112.5 \ \%$$

1. What is the difference between the number of engineers having specialisation in CS and the number of engineers having specialisation in IT?

1. 375
2. 360
3. 350
4. 330

Solution: The total number of engineers having specialisation in CS.$$= \left[\frac{22}{100} \times 5500\right]$$ $$= 1210$$ The total number of engineers having specialisation in IT.$$= \left[\frac{16}{100} \times 5500\right]$$ $$= 880$$ Required difference $$= 1210 - 880$$ $$= 330$$

1. What is the ration of the engineers having ME as specialisation to the engineers having AU as specialisation?

1. 7 : 9
2. 6 : 7
3. 5 : 4
4. 3 : 2

Solution: The total number of engineers having specialisation in ME.$$= \left[\frac{12}{100} \times 5500\right]$$ $$= 660$$ The total number of engineers having specialisation in AU.$$= \left[\frac{14}{100} \times 5500\right]$$ $$= 770$$ Required ratio $$= \frac{660}{770}$$ $$= \frac{6}{7}$$ $$= 6 : 7$$

1. The engineers having specialisation in CS is approximately what percent of engineers having specialisation in CE?

1. 122 %
2. 120 %
3. 118 %
4. 112 %

Solution: The total number of engineers having specialisation in CS.$$= \left[\frac{22}{100} \times 5500\right]$$ $$= 1210$$ The total number of engineers having specialisation in CE.$$= \left[\frac{18}{100} \times 5500\right]$$ $$= 990$$ Required percentage $$= \left[\frac{1210}{990} \times 100\right] \ \%$$ $$= 122.22 \ \%$$ $$\approx 122 \ \%$$