Dhaka Higher Secondary 2011/2
Posted: Fri Jan 28, 2011 10:25 pm
$A$ is three digit number all of whose digits are different. $B$ is a three digit number all of whose digits are same. Find the minimum difference between $A$ and $B$.
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Dhaka Higher Secondary 2011/2
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Re: Dhaka Higher Secondary 2011/2
Posted: Sat Jan 29, 2011 11:27 am
when the left digit will be same for two numbers...
Re: Dhaka Higher Secondary 2011/2
Posted: Sun Jan 30, 2011 9:56 am
Re: Dhaka Higher Secondary 2011/2
Posted: Mon Jan 31, 2011 12:59 pm
whats problem with 111 and 109.see difference is 02...
Re: Dhaka Higher Secondary 2011/2
Posted: Mon Jan 31, 2011 4:42 pm
wah! that's great! i had tried only 2 of dhaka h.s. problems, both are wrong! 
Re: Dhaka Higher Secondary 2011/2
Posted: Mon Jan 31, 2011 8:35 pm
perhaps you tried its the credit.
Re: Dhaka Higher Secondary 2011/2
Posted: Tue Feb 01, 2011 11:26 pm
^^Yup...Dhaka MO was hard!
Re: Dhaka Higher Secondary 2011/2
Posted: Tue Feb 01, 2011 11:35 pm
i could only solve 6 and 2 of them were wrong.
i still haven't solved or couldn't 1 prob
i still haven't solved or couldn't 1 prob
Re: Dhaka Higher Secondary 2011/2
Posted: Mon Nov 28, 2011 4:07 pm
I think the answer is 12.
because the highest value of A is 987 and B is 999 .
because the highest value of A is 987 and B is 999 .
Re: Dhaka Higher Secondary 2011/2
Posted: Mon Nov 28, 2011 6:22 pm
@Joty:this is a solved topic and your ans is incorrect. see earlier posts.