Questions and Answers Type: | MCQ (Multiple Choice Questions). |

Main Topic: | Data Interpretation. |

Data Interpretation Sub-topic: | Tables Questions and Answers. |

Number of Questions: | 5 Questions with Solutions. |

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

**The total number of employees in different departments of an organization and the percentage of male and female employees.**

- What is the ratio of the number of male employees in the marketing department to the number of male employees in the security department?
- 1 : 2
- 2 : 1
- 3 : 1
- 1 : 3

Answer: (c) 3 : 1

Solution: The total number of male employees in the marketing department. $$ = \frac{45}{100} \times 2400 $$ $$ = 1080 $$ The total number of male employees in the security department. $$ = \frac{80}{100} \times 450 $$ $$ = 360 $$ Required Ratio $$ = \frac{1080}{360} $$ $$ = 3 : 1 $$

Solution: The total number of male employees in the marketing department. $$ = \frac{45}{100} \times 2400 $$ $$ = 1080 $$ The total number of male employees in the security department. $$ = \frac{80}{100} \times 450 $$ $$ = 360 $$ Required Ratio $$ = \frac{1080}{360} $$ $$ = 3 : 1 $$

- How many female employees are working in the IT and HR departments together?
- 735
- 742
- 747
- 756

Answer: (a) 735

Solution: The total number of female employees are working in the IT department.$$ = \frac{42}{100} \times 550 $$ $$ = 231 $$ The total number of female employees are working in the HR department.$$ = \frac{60}{100} \times 840 $$ $$ = 504 $$ Hence the total number of female employees are working in IT and HR department together. $$ = 231 + 504 $$ $$ = 735 $$

Solution: The total number of female employees are working in the IT department.$$ = \frac{42}{100} \times 550 $$ $$ = 231 $$ The total number of female employees are working in the HR department.$$ = \frac{60}{100} \times 840 $$ $$ = 504 $$ Hence the total number of female employees are working in IT and HR department together. $$ = 231 + 504 $$ $$ = 735 $$

- The total number of employees working in the security department is approximately what percent of the total number of male employees working in the HR department?
- 128 %
- 130 %
- 132 %
- 134 %

Answer: (d) 134 %

Solution: Total number of employees working in the security department = 450

The total number of male employees working in the HR department.$$ = \frac{40}{100} \times 840 $$ $$ = 336 $$ Required Percentage $$ = \frac{450}{336} \times 100 $$ $$ = 133.9 \ \% $$ $$ \approx 134 \ \% $$

Solution: Total number of employees working in the security department = 450

The total number of male employees working in the HR department.$$ = \frac{40}{100} \times 840 $$ $$ = 336 $$ Required Percentage $$ = \frac{450}{336} \times 100 $$ $$ = 133.9 \ \% $$ $$ \approx 134 \ \% $$

- What is the total number of employees in all the departments together?
- 6,600
- 6,700
- 6,750
- 6,780

Answer: (b) 6,700

Solution: The total number of employees working in all the departments together \(= 2400 + 1800 + 660 +\) \(840 + 550 + 450\)

\(= 6,700\)

Solution: The total number of employees working in all the departments together \(= 2400 + 1800 + 660 +\) \(840 + 550 + 450\)

\(= 6,700\)

- The total number of employees working in the IT and security department together is approximately what percent of the total number of employees working in the production department?
- 56 %
- 57 %
- 58 %
- 59 %

Answer: (a) 56 %

Solution: The total number of employees working in the IT and security department together.$$ = 550 + 450 $$ $$ = 1,000 $$ The total number of employees working in the production department.$$ = 1,800 $$ Required Percentage $$ = \frac{1000}{1800} \times 100 $$ $$ = 55.56 \ \% $$ $$ \approx 56 \ \% $$

Solution: The total number of employees working in the IT and security department together.$$ = 550 + 450 $$ $$ = 1,000 $$ The total number of employees working in the production department.$$ = 1,800 $$ Required Percentage $$ = \frac{1000}{1800} \times 100 $$ $$ = 55.56 \ \% $$ $$ \approx 56 \ \% $$