## Search found 22 matches

### beloon

when a beloon goes to the sky it blast though the temparature and pressure reduce gradually.why?

- Sat Nov 30, 2013 12:19 am
- Forum: Physics
- Topic: SURFACE TENSION
- Replies:
**1** - Views:
**1700**

### SURFACE TENSION

an object is fully under water.will it feel surface tension?

- Fri Feb 01, 2013 9:54 pm
- Forum: Social Lounge
- Topic: why not prize
- Replies:
**1** - Views:
**1870**

### why not prize

Different countries give prizes to mathematicians.can't we introduce any prize in bangladesh.it can be in the name of a great mathematician of our country.

- Thu Jan 24, 2013 5:42 pm
- Forum: Physics
- Topic: will it come back
- Replies:
**9** - Views:
**3963**

### will it come back

suppose i have a ball having the same mass of the earth.i throw it in the sky.will it come back?

- Thu Jan 24, 2013 5:27 pm
- Forum: Number Theory
- Topic: minimum please!
- Replies:
**8** - Views:
**3326**

### Re: minimum please!

i mean all factors.such as 8 has 4 factors

- Sat Jan 19, 2013 2:48 pm
- Forum: Combinatorics
- Topic: from 1 to 100
- Replies:
**8** - Views:
**3875**

### Re: from 1 to 100

We can take $\displaystyle \binom {100}{2}=4950$ pairs. Now the least result is $1+2=3$ and the greatest is $100+99=199$. So only $197$ results are different and $4950-197$ results are same.

- Thu Jan 17, 2013 10:02 pm
- Forum: Number Theory
- Topic: minimum please!
- Replies:
**8** - Views:
**3326**

### minimum please!

a,b,c,d,.....is a sequence.the number of factors of a,b,c,d,....is 2,3,4,5,....find the minimum value of a in natural number

- Thu Jan 17, 2013 9:50 pm
- Forum: Combinatorics
- Topic: from 1 to 100
- Replies:
**8** - Views:
**3875**

### Re: from 1 to 100

there is a very shortcut solution.can anyone find it?

- Thu Jan 17, 2013 6:24 pm
- Forum: Combinatorics
- Topic: from 1 to 100
- Replies:
**8** - Views:
**3875**

### Re: from 1 to 100

i want the answer that how many answers will be same.for example 100 can be got in 49 ways,99 can be 50 ways....i want the total sum.

- Wed Jan 16, 2013 2:41 pm
- Forum: Combinatorics
- Topic: from 1 to 100
- Replies:
**8** - Views:
**3875**

### from 1 to 100

take any two number from 1 to 100.add them.how many results will be same