A sum triple itself in 9 years at simple interest. Find the rate of interest per annum is.
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Q:
A sum triple itself in 9 years at simple interest. Find the rate of interest per annum is.
- 1$$38{2\over 9} \% $$false
- 2$$33{1\over 3} \% $$false
- 3$$27{1\over 9} \% $$false
- 4$$22{2\over 9} \% $$true
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