সব প্রশ্নে ফিরে যান
Math
A 10% monthly salary increase resulted in a Tk. 9,000 per year increase in salary for an employee. What was his monthly salary before the increase?
A) Tk. 7,500
সঠিক উত্তর
B) Tk. 9,000
C) Tk. 5,000
D) Tk. 12,000