a sum of money has become 2 1/2 times in 6 years.Find the rate of interest earned.
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Answer:
25%
Step-by-step explanation:
Sum of money becomes 5/2 times ,
it means P = 2 and after 6 years it becomes 5 (amount)
Interest earned in 6 years = 3
Interest earned in 1 year = 0.5
Rate of interest = 0.5/2 * 100 = 25%
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