# Tables: Exercise-7

#### Overview:

 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. 1. 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. 1 : 2
2. 2 : 1
3. 3 : 1
4. 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 $$= \frac{1080}{360}$$ $$= 3 : 1$$

1. How many female employees are working in the IT and HR departments together?

1. 735
2. 742
3. 747
4. 756

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. $$= 231 + 504$$ $$= 735$$

1. 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?

1. 128 %
2. 130 %
3. 132 %
4. 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 $$= \frac{450}{336} \times 100$$ $$= 133.9 \ \%$$ $$\approx 134 \ \%$$

1. What is the total number of employees in all the departments together?

1. 6,600
2. 6,700
3. 6,750
4. 6,780

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

$$= 6,700$$

1. 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?

1. 56 %
2. 57 %
3. 58 %
4. 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 $$= \frac{1000}{1800} \times 100$$ $$= 55.56 \ \%$$ $$\approx 56 \ \%$$