Pie Chart - Study Mode

[#6] What is the total number of mobile phones Sold of company B during August and September together?
Correct Answer

(A) 10000

Explanation

Solution: Mobile phones of B sold during August $$eqalign{
& = 45000 imesfrac{22}{100} imesfrac{5}{9} cr
& = 5500 cr} $$ Mobile phones of B sold during September $$eqalign{
& = 45000 imesfrac{25}{100} imesfrac{2}{5} cr
& = 4500 cr} $$ ∴ Required number of phones sold = 5500 + 4500 = 10000

[#7] Directions (1 - 5): 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. Store Ratio P 4 : 3 Q 3 : 1 R 5 : 4 S 7 : 6 T 1 : 4 U 11 : 10
Correct Answer

[#8] What is the central angles corresponding to the total number of cellular phones (both Nokia and Samsung) sold by store S?
Correct Answer

(B) 93.6°

Explanation

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 Percentage of cellular phones (both Nokia and Samsung) sold by Store S = 26% ∴ Required central angle = $$frac{26}{100}$$ × 360 = 93.6°

[#9] What is the average of Nokia cellular phones sold by store P, R, S and T together?
Correct Answer

(A) 1008

Explanation

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 = $$frac{4032}{4}$$ = 1008

[#10] What is the ratio of the number of Nokia cellular phones sold by store S to the Samsung cellular phones sold by store T and U together?
Correct Answer

(B) 49 : 76

Explanation

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 Number of Nokia phones sold by store S = 1568 Number of Samsung Phones sold by store T and U together = 1792 + 640 = 2432 $$eqalign{
& herefore ext{ Required ratio} cr
& = frac{1568}{2432} cr
& = frac{49}{76} cr
& = 49:76 cr} $$