Rule of 72
ଭାବରେ ମଧ୍ୟ ଜଣାଶୁଣା |: Doubling Time Rule
t \approx \frac{72}{r}
t ≈ 72 / rଏହା କ’ଣ ଗଣନା କରେ |
A quick mental math shortcut to estimate how many years it takes for an investment to double at a given annual rate of return.
ଭେରିଏବଲ୍
| ପ୍ରତୀକ | ନାମ | ବର୍ଣ୍ଣନା |
|---|---|---|
| t | Doubling Time | Approximate years for an investment to double |
| r | Annual Rate | Annual interest rate as a percentage (not decimal) |
କାର୍ଯ୍ୟର ଉଦାହରଣ |
1
t = 72 / 8 = 9 yearsଫଳାଫଳ: ~9 years
ଏକ କାଲକୁଲେଟର ଚେଷ୍ଟା କରନ୍ତୁ |
ସମ୍ବନ୍ଧିତ ସୂତ୍ରଗୁଡ଼ିକ |
#mental math#investing#doubling