Answer:
Option A
Explanation:
Mobile phones of B sold during August
= $\frac{22}{100}\times\frac{5}{9}\times45000$
= 5500
Mobile phones of B sold during September
= $\frac{25}{100}\times\frac{2}{5}\times45000$
= 4500
Required number of phones sold = (5500 + 4500) = 10000.