Discussion Forum



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

distribution of total number of cellular phones (both Nokia and Samsung) sold by six stores in October

 2322021765_pie chart 18.JPG

Ratio of the number of Nokia cellular phones sold to that of Samsung cellular phones sold

Store Ratio
P 4:3
Q 3:1
R 5:4
S 7:6
T 1:4
U 11:10
1)

What is the central angles corresponding to the total number of cellular phones (both Nokia and Samsung) sold by store S?


A) 99.2°

B) 93.6°

C) 105.6°

D) 97.4°

Answer:

Option B

Explanation:

Store

Nokia Cellular Phones

Samsung Cellular Phones

Total number of cellular phones

P

896

672

1568

Q

840

280

1120

R

1120

896

2016

S

1568

1344

2912

T

440

1792

2240

U

704

640

1344

 Percentage of caller phones (both Nokia and Samsung) sold by Store S = 26%

Required central angle = $\frac{26}{100}\times360$ = 93.6°