try to solve this one
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This is a story of four boys........ ......... . Chinku, Dinku, Pinku & Tinku.
One day all of them decide to save their money in a bank......they select a bank called " Lena Bank "
The bank's specialty is: In every month the money gets doubled.
In 2nd month, Chinku withdraws 100-Rs from bank........ ...
In 3rd month, Dinku withdraws 100-Rs from bank........ ......
In 4th month, Pinku withdraws 100-Rs from bank........ ....&
In 5th month, Tinku withdraws 100-Rs from bank & their balance in the bank becomes zero........ ......... ..
How much amount had the boys put in the bank?
*~*~*~*~* ~*~*~*~*~ *~*~*~*~
This is a story of four boys........ ......... . Chinku, Dinku, Pinku & Tinku.
One day all of them decide to save their money in a bank......they select a bank called " Lena Bank "
The bank's specialty is: In every month the money gets doubled.
In 2nd month, Chinku withdraws 100-Rs from bank........ ...
In 3rd month, Dinku withdraws 100-Rs from bank........ ......
In 4th month, Pinku withdraws 100-Rs from bank........ ....&
In 5th month, Tinku withdraws 100-Rs from bank & their balance in the bank becomes zero........ ......... ..
How much amount had the boys put in the bank?
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