প্রশ্নটা এরকম ছিল না ।

সর্বোচ্চ কত গুলো ভিন্ন ভিন্ন সংখ্যার লসাগু 240 হতে পারে ?

Find the maximum number of the different integers that the lcm of them is 240?

সমাধান একই কিন্তু উপস্থাপনটা আলাদা ।

## Search found 78 matches

- Fri Feb 22, 2013 11:15 pm
- Forum: Divisional Math Olympiad
- Topic: A Easy One
- Replies:
**5** - Views:
**1527**

- Wed Feb 06, 2013 9:50 pm
- Forum: Divisional Math Olympiad
- Topic: Rajshahi MO 2013, Secondary 1
- Replies:
**9** - Views:
**2142**

### Re: Rajshahi MO 2013, Secondary 1

Please make sure that you have written the question in correct from.Only one mission word can chage the statement of the question.@Fahim Shahriar. It was the first problem of Rajshahi diviisional math olympiad 2013 (S-1,HS-2) 2013 বাহু বিশিষ্ট বহুভুজের কর্ণগুলো যোগ করলে সর্বোচ্চ কয়টা ছেদবিন্দু পাওয...

- Sun Dec 04, 2011 3:28 pm
- Forum: Divisional Math Olympiad
- Topic: Gopalgang higher hisec 2011 08
- Replies:
**24** - Views:
**3833**

### Re: Gopalgang higher hisec 2011 08

No compose was right . I have copied it from the original question

- Thu Oct 20, 2011 8:38 pm
- Forum: College / University Level
- Topic: Derivatives Lesson?
- Replies:
**4** - Views:
**2095**

### Re: Derivatives Lesson?

Calculus by Md shahalam may be helpful available in any university books library

- Mon Jul 11, 2011 7:18 pm
- Forum: Divisional Math Olympiad
- Topic: Barisal HS 2009_12
- Replies:
**4** - Views:
**1175**

### Re: Barisal HS 2009_12

just use the concept of box. let you 5 boxes and you want to fill the box with different digits now you have 9 ways to fill the 1st box as the id card number is 5 digit number you dont use 0 on it and now you have also 9 ways to fill the 2nd box and 8 ways for 3 rd boxs so the result is 9.9.8.7.6. a...

- Mon Jul 11, 2011 7:05 pm
- Forum: Divisional Math Olympiad
- Topic: Barisal HS 2008_06
- Replies:
**6** - Views:
**1385**

### Re: Barisal HS 2008_06

If the socks are in different size i think its not necessary to count permutation for probability

- Sat Jun 18, 2011 10:57 pm
- Forum: Higher Secondary Level
- Topic: Summation of Series
- Replies:
**3** - Views:
**1290**

### Re: Summation of Series

allen tomar problem ta te vul ace first term ta 12 hobe most probably problem ta kothae theke nico

- Sat Jun 18, 2011 5:46 pm
- Forum: Higher Secondary Level
- Topic: 3rd math test of chittagong math circle
- Replies:
**7** - Views:
**1923**

### Re: 3rd math test of chittagong math circle

sorry @ photon your 3 (b) ans is not correct.please read the question carefully

- Fri Jun 03, 2011 10:48 am
- Forum: Algebra
- Topic: minimum value
- Replies:
**4** - Views:
**954**

### Re: minimum value

using calculus is straight forward and dy/dx=0 for for minimum and maximum value

- Fri May 27, 2011 4:57 am
- Forum: Geometry
- Topic: Need help for vector product
- Replies:
**4** - Views:
**1042**

### Re: Need help for vector product

In 3 d space to calculate the vector product you must know about three axis .Here you dont mentioned about axis and its not possible to give answer according to given condition