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: 2939
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: 3005
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: 7463
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: 5768
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: 6808
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: 5768
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: 6808
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: 6808
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: 6808
from 1 to 100
take any two number from 1 to 100.add them.how many results will be same