MCQ Practice Mathematics 📖 For how many years does a person need to invest his Tk.3000 at 7% to earn Tk.420 in simple interest? A 1 year B 2 years C 3 years D 4 years Favorite Practice Add to Book Explanation & Answer Detailed explanations and answers are restricted. Unlock full access by logging in to your account. 🔒 Unlock the detailed explanation and answers Log In / Sign Up PreviousAn annual of money becomes Tk.1860 at an interest rate of 8% in 3 years. How many years the money would take to become Tk.204... NextHow much interest will Tk.1000 earn in one year at an annual interest rate of 8% if interest rate is compounded every 6 months?