How fast can you double your money with PPF, mutual funds, Bank FDs — Rule of 72 explains

The Rule of 72 gives you an estimate of the number of years it will take to double your money in a particular investment tool

How fast can you double your money with PPF, mutual funds, Bank FDs — Rule of 72 explains
The Rule of 72 gives you an estimate of the number of years it will take to double your money in a particular investment tool