Rule of 72ని ఎలా లెక్కించాలి

Rule of 72 అంటే ఏమిటి?

The Rule of 72 is a simple mental math shortcut to estimate how long it takes an investment to double, or what growth rate is needed to double in a given time. Divide 72 by the annual return rate to get years to double.

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1. 1Years to double = 72 / Annual Interest Rate (%)
2. 2Rate needed to double = 72 / Number of years
3. 3Works best for rates between 6% and 10% (±1 year accuracy)
4. 4For continuous compounding, use 69.3 instead of 72

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