Introduction to Data Interpretation

Introduction to Data Interpretation

Direction: Study the pie-chart and table given below and answer the questions.

1. The percentage of females working in IT department to the total number of employees working in the organization is

1. Number of employees in IT department

 = 800 × 20 = 160 100

Number of females
= 160 – 74 = 86
∴ Required percentage
 = 86 × 100 800

= 10.75

Correct Option: B

Number of employees in IT department

 = 800 × 20 = 160 100

Number of females
= 160 – 74 = 86
∴ Required percentage
 = 86 × 100 800

= 10.75

1. The percentage of the number of male employees working in Marketing department to the total number of employees in Marketing department is

1. Number of employees in Marketing department

 = 800 × 24 = 192 100

∴ Required percentage
 = 165 × 100 = 86 192

Correct Option: B

Number of employees in Marketing department

 = 800 × 24 = 192 100

∴ Required percentage
 = 165 × 100 = 86 192

1. The respective ratio between the number of females working in HR department to the total number of employees working in the HR department is

1. Number of employees in HR department

 = 800 × 5 = 40 100

Correct Option: A

Number of employees in HR department

 = 800 × 5 = 40 100

1. The pie - chart gives the expenditure (in percentage) on various items and savings of a family during a month. Monthly savings of the family is 3, 000. On which item is the expenditure maximum and how much is it?

1. Expenditure of food = 25%
Savings = 15%
∵ 15% ≡ \$ 3000

 ∴ 25% ≡ 3000 × 25 = \$ 5000 15

Correct Option: D

Expenditure of food = 25%
Savings = 15%
∵ 15% ≡ \$ 3000

 ∴ 25% ≡ 3000 × 25 = \$ 5000 15

1. The following pie - chart shows the monthly expenditure of a family on food, clothing, rent, miscellaneous expenses and savings. What is the central angle for savings?

1. Food + Rent + Clothing + Miscellaneous
⇒ 108 ° + 90° + 36° + 72° = 306°
∴ Savings ⇒ 360° – 306° = 54°.

Correct Option: A

Food + Rent + Clothing + Miscellaneous
⇒ 108 ° + 90° + 36° + 72° = 306°
∴ Savings ⇒ 360° – 306° = 54°.