A sum of money amounts to Rs. 9800 after 5 years and Rs. 12005 after 8 years at

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Question: A sum of money amounts to Rs. 9800 after 5 years and Rs. 12005 after 8 years at the same rate of simple interest. The rate of interest per annum is:

Options are:

A.     5%
B.     8%
C.     12%
D.     15%

Correct answer is:

C.     12%