## Search found 21 matches

Thu Feb 21, 2019 5:19 pm
Forum: Combinatorics
Topic: Placing Bishop in a chess board
Replies: 6
Views: 765

### Re: Placing Bishop in a chess board

The same problem for Queen gives the result 8.
I tried knight move to avoid other Queens.
Mon Jan 28, 2019 1:44 pm
Forum: Chemistry
Topic: Stability of "Cu" ion
Replies: 4
Views: 591

### Re: Stability of "Cu" ion

Why not " Cu1+"?
Mon Jan 28, 2019 1:40 pm
Forum: Computer Science
Topic: Strange Numbers
Replies: 4
Views: 671

### Re: Strange Numbers

What was the mistake(s)?
Wed Dec 26, 2018 9:43 pm
Forum: National Math Olympiad (BdMO)
Topic: BdMO National Secondary/Higher Secondary 2018/1
Replies: 4
Views: 751

### Re: BdMO National Higher Secondary 2018/1

How do you know that x$=1$ is a solution?Trial & error?What if it had some big numbers,or fraction?
Wed Dec 26, 2018 9:35 pm
Forum: National Math Olympiad (BdMO)
Topic: BDMO 2017 National round Secondary 1
Replies: 19
Views: 2428

### Re: BDMO 2017 National round Secondary 1

Absur Khan Siam wrote:
Sun Feb 04, 2018 12:34 pm
My solution may be wrong.But the $20$ cases yield to a result that both team have a probability of $\frac{1}{2}$ to win the series.
Your solution is equally likely because its symmetrical.
Means for a case WWWLL you have another case LLLWW.So its surely $1/2$ for both team.
Sun Dec 16, 2018 11:25 pm
Forum: Secondary Level
Topic: A PROBLEM OF "BDMO PROSTUTI""
Replies: 6
Views: 1182

### Re: A PROBLEM OF "BDMO PROSTUTI""

't' is just an integer.
I am not understanding why you added 1 with (n/8)?
Sun Dec 16, 2018 11:05 pm
Forum: Chemistry
Topic: Stability of "Cu" ion
Replies: 4
Views: 591

### Stability of "Cu" ion

Two questions about Cu-
[*]Why Cu2+ion is stable as it shows 3d9?
[*]Why 3d10 is not stable for Cu?
Sun Sep 16, 2018 10:16 pm
Forum: Computer Science
Topic: Strange Numbers
Replies: 4
Views: 671

### Re: Strange Numbers

Are you saying that you are getting the actual area by defining radius as 'r' ? Got that right?But I just tested and its running fine,have you used float?Define 'pi'?Have you used '%f' as format specifier? If you yet suffering the problem,please share the programme .Then its going to be easy what's ...
Mon Feb 27, 2017 10:59 am
Forum: Social Lounge
Topic: Probability-?
Replies: 2
Views: 722

### Probability-?

I AM HAVING A PROBLEM WITH THIS.
IT SEEMS TO ME THAT A BOY OF 1(AGE) HAVE MORE PROBABILITY TO LIVE THAN THAT OF A BOY OF TWO 2 AND SO ON.
IS IT RIGHT? HOW CAN IT BE PROVED?HELP PLEASE
Fri Dec 30, 2016 9:50 pm
Forum: Junior Level
Topic: Sequence and reminder
Replies: 4
Views: 741

### Re: Sequence and reminder

1,get the sum and you will get it!