## Search found 28 matches

- Wed Dec 26, 2018 9:43 pm
- Forum: National Math Olympiad (BdMO)
- Topic: BdMO National Secondary/Higher Secondary 2018/1
- Replies:
**4** - Views:
**1241**

### 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:
**5791**

### Re: BDMO 2017 National round Secondary 1

Your solution is equally likely because its symmetrical.Absur Khan Siam wrote: ↑Sun Feb 04, 2018 12:34 pmMy 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.

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:
**8** - Views:
**26548**

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

't' is just an integer.

I am not understanding why you added 1 with (n/8)?

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:
**4105**

### Stability of "Cu" ion

Two questions about Cu-

[*]Why

[*]Why 3d10 is not stable for

[*]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:
**4111**

### 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:
**3179**

### 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

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:
**1432**

### Re: Sequence and reminder

1,get the sum and you will get it!

- Thu Dec 15, 2016 7:25 pm
- Forum: Secondary Level
- Topic: coxbazar divisional 2014 Q.no.-2
- Replies:
**2** - Views:
**6216**

### Re: coxbazar divisional 2014 Q.no.-2

Hasib Tahmid could take in (12c 2) way.Then there will be 10 kites.Others can take (10c3)ways.So,there is (12c2)*(10c3)ways. IS IT RIGHT?

- Tue Dec 06, 2016 12:38 pm
- Forum: Secondary Level
- Topic: A PROBLEM OF "BDMO PROSTUTI""
- Replies:
**8** - Views:
**26548**

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

STARS AND BARS? PLEASE! BUJHLAM NA....

- Tue Nov 29, 2016 12:59 pm
- Forum: Secondary Level
- Topic: A PROBLEM OF "BDMO PROSTUTI""
- Replies:
**8** - Views:
**26548**

### A PROBLEM OF "BDMO PROSTUTI""

x+8y+8z=n it has 666 solutions. then,what could be the largest value of n?

please write the way to reach the solution.

please write the way to reach the solution.