Discussion Forum



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

 Distribution of total number of Dell Laptops Sold by 5 Stores

2322021441_pie chart 15a.JPG

Distribution of Number of Laptops (both Dell and Lenovo) Sold by 5 Stores in 2011

2322021971_pie chart 15b.JPG

 

 

1)

What is the central angle corresponding to number of Dell laptops sold by store S?


A) 29.4°

B) 38.6°

C) 36.2°

D) 32.4°

Answer:

Option D

Explanation:

Dell laptops sold by store S = 9%

Central angle corresponding to number of Dell Laptops sold by store S

= $\frac{9}{100}\times360$ = 32.4°