If 6 persons working 8 hours a day earn a day earn Tk. 8400 per week,then 9 persons working 6 hours a day will earn per week----
A
Tk. 9450
B
Tk. 8400
C
Tk. 16200
D
Tk. 16800
Correct Answer: Tk. 9450
6 জনে 8 ঘন্টা কাজ করে পায় 8400 টাকা ∴ 6 " 1 '' '' '' '' 84008 ∴ 1 '' 1 '' '' '' '' 84008×6 '' ∴ 1 " 6 " " " " 8400×68×6 " ∴ 9 " 6 " " " " 8400×6×98×6 " = 9450 টাকা।