The simple interest on a sum of money is $${4\over 9}$$of the principal and the number of years is equal to the rate percent per annum. The rate per annum is :5
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Q: The simple interest on a sum of money is $${4\over 9}$$of the principal and the number of years is equal to the rate percent per annum. The rate per annum is :
- 15%false
- 2$$6{2\over3}\%$$true
- 36%false
- 4$$7{1\over5}\%$$false
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