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Junior | Next Rank: 30 Posts
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probability

by stephny » Tue Nov 26, 2013 5:36 am
hi guys, please assist with this.

if a three-digit number is selected at random from the integers 100 to 999, inclusice, what is the probability that the first digit and the last digit of the integer will be both be exactly two less than the middle digit?
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by Uva@90 » Tue Nov 26, 2013 5:57 am
stephny wrote:hi guys, please assist with this.

if a three-digit number is selected at random from the integers 100 to 999, inclusice, what is the probability that the first digit and the last digit of the integer will be both be exactly two less than the middle digit?
Hi Stephny,

You have already posted here.
https://www.beatthegmat.com/probability- ... tml#703530

Regards,
Uva.
Known is a drop Unknown is an Ocean
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Junior | Next Rank: 30 Posts
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by Gmat Bond » Tue Nov 26, 2013 7:42 am
obviously 7/900. Why make multiple posts? what's the fuss ?
The name is Bond, GMAT BOND !!
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