1 . A man's investment doubles in every 5 years. If he invested Tk. 5,000 in each of the years 2010, 2015, 2020 then what will be the amount received by him in 2025?

• A. Tk. 30,000
• B. Tk. 70,000
• C. Tk. 80,000
• D. Tk. 1,50,000

Answer: Option B

Explanation: