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