Discussion Forum



 Study the following pie-charts, carefully and answer the questions given below:

 Distribution of total number of members (both male and female) in 5 health clubs in 2011.Total number= 6300

2322021579_pie chart 17a.JPG

 

 Distribution of total number of male members in 5 health clubs in 2011.Total number 3600

2322021407_pie chart 17b.JPG

1)

What is the central angle corresponding to number of males and females in health club D and E?


A) 115.2°

B) 125.5°

C) 210.25°

D) 155.5°

Answer:

Option A

Explanation:

Percentage of male and female members in health club D and E

= 20%+12% = 32%

The central angles corresponding to number of male and female in health club D and E

= 360×32% = $\frac{260\times32}{100}$ = 115.2°