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3 Jan 2012 22:18:26 IST

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FIND THE NO.OF METHOD TO FIVE DIGIT SECUIRD LOCK

Mathematics

find the no.of method to three digit sequired lock.

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lucky_kn

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Joined: 30 Aug 2008

Posts: 76

4 Jan 2012 12:12:07 IST

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for five digit .. it will b 9*10^4

and for 3 digits it will be 9*10^2 =900

Arjun Virmani

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Joined: 1 Jun 2009

Posts: 1294

5 Jan 2012 16:39:24 IST

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10*10*10..

cos every digit can be given any of the 10 numbers 0-9!!

so its 1000!!!!

possible combinations!!!!

here we are not making numbers we are making just a combination so 0 is possible on every place!!!!!

sidharthsekharsahoo

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Joined: 9 Jan 2012

Posts: 90

12 Jan 2012 10:31:18 IST

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ya it's true

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