A 5% monthly salary increase resulted in a salary increase of TK. 6,000 per year for an employee. What was his monthly salary before the increase?
A
Tk. 10,000
B
Tk. 12,000
C
Tk. 1,200
D
Tk. 36,000
Correct Answer: Tk. 10,000
6000 Tk per year increase হলে প্রতি মাসে income = 600012 = 500 tk অথাৎ তার প্রতি মাসের Salary এর 5% হচ্ছে 500 tk. monthly salary x 5% = 500 So,monthly salary = = 500×1005 = 10000