Search found 5 matches
- Mon Dec 26, 2022 1:21 pm
- Forum: National Math Olympiad (BdMO)
- Topic: BdMO National 2012: Higher Secondary 02
- Replies: 12
- Views: 16956
Re: BdMO National 2012: Higher Secondary 02
Let's make a pattern then solve this.. Suppose, we've 1 hurdle, so he can jump only in 1 way. If we'd 2 hurdles, he could jump in 2 different ways. If there is 3 hurdles, he can jump in 4 different ways. If there is 4 hurdles, he can jump in 7 different ways. If there is 5 hurdles, he can jump in 11...
- Sun Dec 25, 2022 3:50 pm
- Forum: National Math Olympiad (BdMO)
- Topic: BdMO National 2012: Higher Sec, Sec, Junior 01, Primary 02
- Replies: 19
- Views: 23928
Re: BdMO National 2012: Higher Sec, Sec, Junior 01, Primary 02
Ruponti will get 1 letter on the 25th day.. Subrata sends 1 letter in intervals of 24 hours and Ruponti gets in intervals of 25 hours.. that means on the 1st day there is 1 hour of delay for Ruponti getting the letter after Subrata sends. And on the 2nd day the delay will be 2 hours and then 3,4,5,....
- Sun Dec 25, 2022 1:12 pm
- Forum: National Math Olympiad (BdMO)
- Topic: BdMO National 2013: Secondary 8, Higher Secondary 6
- Replies: 8
- Views: 13382
Re: BdMO National 2013: Secondary 8, Higher Secondary 6
Suppose there are 2 cities and between them there will be only 1 road.. but the number of cities and roads is n.. so there can't be 2 cities.. if we consider there are 3 cities then we'll have exact 3 roads..but if the number of the cities more than 3; suppose it's 4.. then we'll have 6 roads..it cr...
- Sun Dec 25, 2022 12:45 am
- Forum: National Math Olympiad (BdMO)
- Topic: BdMO National 2013: Higher Secondary 2
- Replies: 3
- Views: 8805
Re: BdMO National 2013: Higher Secondary 2
Isn't g(x,x)=0 means for any real number x, the function will be 0. But what about the function u've written 4x² ?? For any real number u'll get a real number, not 0... The example does make sense but not the solution for me...
- Sat Dec 24, 2022 11:10 pm
- Forum: National Math Olympiad (BdMO)
- Topic: BdMO National 2013: Secondary 2, Higher Secondary 1
- Replies: 4
- Views: 9471
Re: BdMO National 2013: Secondary 2, Higher Secondary 1
AB=AC
AQ=AP [P,Q are the midpoints of AE & AB]
.'.PQ||BE
But, PQ||CD
.'.BE||CD
AQ=AP [P,Q are the midpoints of AE & AB]
.'.PQ||BE
But, PQ||CD
.'.BE||CD