The interest on a certain deposit at 9% per annum is Tk. 405 in one year. How much will the additional interest in one year be on the same deposit at 10 percent per annum?

The interest on a certain deposit at 9% per annum is Tk. 405 in one year. How much will the additional interest in one year be on the same deposit at 10 percent per annum?

A Tk. 405

B Tk. 300

C Tk. 31.50

D None of these

Solution

Correct Answer: Option D