The simple interest on a sum for 20 years is 5/4 of the principal. Wha – McqOptions

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1.	The simple interest on a sum for 20 years is 5/4 of the principal. What is the per annum rate (in percentage) of interest?
A.	6.25
B.	12.5
C.	2.5
D.	5
Answer» B. 12.5

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