Based On A Mathematical Formula, This Envelope Hack Can Apparently Help You Save Huge Amounts Of Cash

A viral challenge is actually helping people save a lot of cash by the use of envelopes.

The popular hack which has become known online as the '100 Envelope Challenge', requires a set of 100 envelopes each labelled up from ?1 to ?100, or a denomination of your choice.

You then take 25 weeks and draw two envelopes twice a week (or four per week) pretty randomly.

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So, whatever random envelope you take out you have to deposit that amount of cash. That means that if you pull out the ?35 envelope, for example, you've got to stick ?35 in it, and so on and so forth.

This hack obviously required you to have disposable income which could be anywhere between ?10 and ?394 a week, but if you're the kind of person who has that, and is maybe guilty of spending your money on unnecessary things rather than saving it for a rainy day, this could be the trick for you to have some savings for future.

By the time you reach the 25th week, there will be ?5,050 (Rs 5 Lakh) or whatever denomination you've set yourself - sitting in those envelopes ready for you to collect.

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This entire trick is actually pretty old and is based on a mathematical formula developed by the 18th-century German mathematician Carl Friedrich Gauss, who realised that if you split the number one to 50, and then 51 to 100 into two groups, you can add them together to reach 101.

That means that one plus 100 is 101, as is two plus 99, and so on. So, the total of the two groups is therefore 50 times 101, or 5,050.

Of course, you probably don't have to do this over 25 weeks, unless you need to save a load of money really quickly - that's just the suggestion behind the viral challenge.

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Equally, you could do it in 25 days by choosing four envelopes per day if you're feeling really flush.

Just imagine the savings you will be making out of this.