Annie invested a certain sum of money in a bank that paid simple interest. The amount grew to Tk 240 at the end of 2 years. She waited for another and got a final amount of Tk 300. What was the principal amount that she invested at the beginning?
A
200
B
150
C
210
D
175
Correct Answer: 200
(2 + 3) বা 5 বছরে সুদাসল = 300এবং বছর পর সুদাসল = 240 3 জছরের সুদ = 60