## Search found 10 matches

### Re: 2017 Regional no.9 Dhaka

Btw I'm not sure id my ans. is correct :/ Am I correct??
Mon Jun 12, 2017 1:20 am

Topic: 2017 Regional no.9 Dhaka
Replies: 9
Views: 408

### Re: 2017 Regional no.9 Dhaka

Actually I get 18 values .. I worked out the values of k- 15,21,27,33,35,39,51,55,57,77,99,65,69,85,87,93,95,81.
Thu Jun 08, 2017 3:05 pm

Topic: 2017 Regional no.9 Dhaka
Replies: 9
Views: 408

### Re: 2017 Regional no.9 Dhaka

Oh !! sorry I missed that case of k+n^2-m^2 =0. SO the ans. is 17 ?? :/
Wed Jun 07, 2017 11:04 pm

Topic: 2017 Regional no.9 Dhaka
Replies: 9
Views: 408

### Re: 2017 Regional no.9 Dhaka

So there are no solutions?? But the powers of 2 can be negative,so how do I handle that??
Wed Jun 07, 2017 9:05 am

Topic: 2017 Regional no.9 Dhaka
Replies: 9
Views: 408

### 2017 Regional no.9 Dhaka

Anyone knows How to solve this ?? :/
Sat Jun 03, 2017 5:08 pm

Topic: 2017 Regional no.9 Dhaka
Replies: 9
Views: 408

### Re: A problem of BdPhO'17

Fri Feb 17, 2017 10:38 pm

Forum: Physics
Topic: A problem of BdPhO'17
Replies: 5
Views: 475

### Re: A problem of BdPhO'17

Can you pls tell me how did you get the question of bdpho??
Fri Feb 03, 2017 7:43 pm

Forum: Physics
Topic: A problem of BdPhO'17
Replies: 5
Views: 475

### 2015 regional Secondary no. 6 function algebra

Plz solve this problem...... Thanks in advance.....
Sat Jan 07, 2017 10:16 pm

Forum: Algebra
Topic: 2015 regional Secondary no. 6 function algebra
Replies: 4
Views: 256

### 2015 regional secondary no. 2 probability

There are 9 seats for passengers in a water bus. Probability of ticket buyer of the water bus remains absent on the day of journey is 50%. If the owners of the water bus sell 11 tickets then the probability of every passenger getting a seat is a/b,where a and b are co-prime. b-a = ?
Sat Jan 07, 2017 9:41 pm

Forum: Secondary Level
Topic: 2015 regional secondary no. 2 probability
Replies: 3
Views: 275

### Regional MO 2016 Dhaka ques 8

How many eight digit number can be formed by using the digits \$1, 2, 3, 4, 5, 6, 7,8\$ so that each number has \$6\$ digits in such place where that digit is less than the next digit?

Example: In number \$2314; 2,1\$ are two digits such that each of them is less than the next digit.
Thu Dec 15, 2016 7:40 pm