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)

The number of Nokia cellular phones sold by store R is what percent more than that of Samsung cellular phones sold by store P and Q together?


A) 23$\frac{1}{17}$%

B) 19$\frac{5}{17}$%

C) 18$\frac{3}{17}$%

D) 17$\frac{11}{17}$%

Answer:

Option D

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

Number of Nokia phones sold by Store R = 1120

Number of Samsung phones sold by store P and Q together = 672 + 280 = 952

Required percentage = $\frac{1120-952}{952}\times100$%

= $\frac{300}{17}$% = 17 $\frac{11}{17}$% more