## Search found 62 matches

Thu Sep 27, 2018 7:31 pm
Forum: Algebra
Topic: Minimum value
Replies: 4
Views: 51011

### Re: Minimum value

Apparently, the denominators should be 1. So the minimum value will be 6.
Mon Sep 03, 2018 8:54 pm
Forum: Higher Secondary Level
Topic: Geometric question...Need help
Replies: 1
Views: 3377

### Re: Geometric question...Need help

I think the answer is 6.
Mon Sep 03, 2018 1:42 am
Forum: Secondary: Solved
Topic: Divisional MO Secondary 2010
Replies: 2
Views: 3776

### Re: Divisional MO Secondary 2010

Answer to ques. no. 12 is 201.
Mon Sep 03, 2018 1:33 am
Forum: Higher Secondary Level
Topic: A problem of combinatorics
Replies: 9
Views: 10644

### Re: A problem of combinatorics

Hint Use function Answer Correct answer \$\fbox {3885}\$ The correct answer of this problem is 546, and it is an established solution. This problem actually appeared in the National Math Olympiad 2015 in secondary and higher secondary categories. Moreover, read the question again. It says that no one...
Mon Sep 03, 2018 1:31 am
Forum: Higher Secondary Level
Topic: A problem of combinatorics
Replies: 9
Views: 10644

### Re: A problem of combinatorics

Mathlomaniac wrote:
Fri Mar 09, 2018 5:49 pm
36×35/2 =630
Mon Sep 03, 2018 1:22 am
Forum: Higher Secondary Level
Topic: A problem of combinatorics
Replies: 9
Views: 10644

### Re: A problem of combinatorics

The actual solution to this problem is like this- 1 can shook hands with a max. of 35 people. Then 2 can shook hands with a max. of 34 people (this is the total handshake made including the handshake with the 1st person). Then 3 with max. 33, 4 with 32, 5 with 31, 6 with 30, 7 with 29 and 8 with 30...
Fri Aug 31, 2018 11:21 pm
Forum: Combinatorics
Topic: Dhaka H. Secondary 2014/7
Replies: 0
Views: 4261

### Dhaka H. Secondary 2014/7

If A = {1, 2, 3… 11, 12} then how many subsets of A are possible where the minimum number of element is 2 and no two numbers are consecutive.
Wed Aug 29, 2018 7:59 pm
Forum: H. Secondary: Solved
Topic: Rangpur Higher Secondary 2011/3
Replies: 1
Views: 4372

### Re: Rangpur Higher Secondary 2011/3

-8<fg<6
Wed Aug 29, 2018 7:55 pm
Forum: H. Secondary: Solved
Topic: Dhaka Higher Secondary 2010/9
Replies: 7
Views: 5129

### Re: Dhaka Higher Secondary 2010/9

Ragib Farhat Hasan wrote:
Sat Jan 16, 2016 8:16 pm
Total no. of numbers formed is 12.
The maximum sum is 888.
I made an error. Total no. of numbers formed will be 20, and max. sum is 888.
Tue Aug 28, 2018 2:15 am
Forum: Social Lounge