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1. Refer to the pie-chart and the table carefully and answer the given question.
Distribution of total number of cellular phones (both Nokia and Samsung) sold by six stores in October.
Ratio of the number of Nokia cellular phones sold to that of Samsung cellular phone sold.
What is the average of Nokia cellular phones sold by store P, R, S and T together?
Total Nokia Phone sold by stores P, R, S and T
= 896 + 1120 + 1568 + 448
= 4032
∴ Required average
=
= 1008
Distribution of total number of cellular phones (both Nokia and Samsung) sold by six stores in October.
Ratio of the number of Nokia cellular phones sold to that of Samsung cellular phone sold.
| Store | Ratio |
| P | 4 : 3 |
| Q | 3 : 1 |
| R | 5 : 4 |
| S | 7 : 6 |
| T | 1 : 4 |
| U | 11 : 10 |
What is the average of Nokia cellular phones sold by store P, R, S and T together?
Solution:
| 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 | 448 | 1792 | 2240 |
| U | 704 | 640 | 1344 |
Total Nokia Phone sold by stores P, R, S and T
= 896 + 1120 + 1568 + 448
= 4032
∴ Required average
=
= 1008