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Q: A sum of money becomes $${7\over6}$$ of itself in 3 years at a certain rate of simple interest. The rate of interest per annum is:

A. $$5{5\over9}\%$$
B. $$6{5\over9}\%$$
C. 0.18
D. 0.25
Answer» B. $$6{5\over9}\%$$


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