At what rate percent per annum will the simple interest on a sum of money be $${2\over 5}$$ of the principal amount in 10 years?5
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Q: At what rate percent per annum will the simple interest on a sum of money be $${2\over 5}$$ of the principal amount in 10 years?
- 14%true
- 26%false
- 3$$5{2\over3}\%$$false
- 4$$6{2\over3}\%$$false
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