FunN2sHh

Here is a story of four boys Namely Tom, Dick, Harry & John.
One day all of them decide to save their money in a bank, they select a bank called named Lena Bank.

The bank’s specialty is: In every month the money gets doubled.
In 2nd month, Tom withdraws 100-Rs from bank
In 3rd month, Dick withdraws 100-Rs from bank
In 4th month, Harry withdraws 100-Rs from bank
In 5th month, John withdraws 100-Rs from bank & their balance in the bank becomes zero

How much amount had the boys put in the bank?

Think about it for a minute, very easy solution…

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Alright, Here is the answer…

The answer is Rs. 93.75

How? Let see the solution
Let the money deposited be X
Month 1: money = X
Month 2: money = 2X-100
Month 3: money = 4X-300
Month 4: money = 8X-700
Month 5: money = 16X-1500

as the final balance is zero,

Therefore,
16x-1500=0
1500=16x
x=93.75