Search found 120 matches

by M. M. Fahad Joy
Tue Feb 20, 2018 9:58 pm
Forum: Primary Level
Topic: help!
Replies: 12
Views: 2586

Re: help!

The main object of this forum is to make our students interested in maths. So we should not be bothered but helping each other. Yes,I also believe it.Detailed Solution Think about the sum of these numbers $000$ $001$ $002$ $003$ $004$ $005$ $006$ . . . . . $600$ . . . . $998$ $999$ The sum is $(1+2...
by M. M. Fahad Joy
Tue Feb 20, 2018 5:44 pm
Forum: Primary Level
Topic: help!
Replies: 12
Views: 2586

Re: help!

The main object of this forum is to make our students interested in maths. So we should not be bothered but helping each other.
by M. M. Fahad Joy
Tue Feb 20, 2018 5:32 pm
Forum: Primary Level
Topic: help!
Replies: 12
Views: 2586

Re: help!

বুঝলাম না:
(১) আপনার সূত্র
(২) একবার বলেন 28092 এবং আরেকবার 28098
by M. M. Fahad Joy
Tue Feb 20, 2018 4:40 pm
Forum: Primary Level
Topic: help!
Replies: 12
Views: 2586

Re: help!

samiul_samin wrote:
Tue Feb 20, 2018 2:25 pm
M. M. Fahad Joy wrote:
Tue Feb 20, 2018 11:07 am
Raiyan Jamil wrote:
Mon Feb 16, 2015 10:12 pm
This is the 7th question of junior category Dhaka 2015. The ans is 28098. :D

Why? the answer is 26600.
No,the correct answer is $\fbox {28098}$.Calculate again ,you will get this number.
Eta kivabe calculate korbo? Sutro ta bole diben?
by M. M. Fahad Joy
Tue Feb 20, 2018 1:50 pm
Forum: Primary Level
Topic: 71 is my favourite number
Replies: 9
Views: 1115

Re: 71 is my favourite number

samiul_samin wrote:
Tue Feb 20, 2018 1:44 pm
M. M. Fahad Joy wrote:
Tue Feb 20, 2018 12:27 pm
samiul_samin wrote:
Tue Feb 20, 2018 12:00 pm
$21×6=126$ .I gave the solution before.
Sorry to say, please don't mind.

126 kiser solution?
The number $abc=126$ So,$a=1,b=2,c=6$.I think you understand it now.
Thanks for suggesting me. :lol:
by M. M. Fahad Joy
Tue Feb 20, 2018 12:27 pm
Forum: Primary Level
Topic: 71 is my favourite number
Replies: 9
Views: 1115

Re: 71 is my favourite number

samiul_samin wrote:
Tue Feb 20, 2018 12:00 pm
$21×6=126$ .I gave the solution before.
Sorry to say, please don't mind.

126 kiser solution?
by M. M. Fahad Joy
Tue Feb 20, 2018 11:59 am
Forum: Primary Level
Topic: 71 is my favourite number
Replies: 9
Views: 1115

Re: 71 is my favourite number

samiul_samin wrote:
Tue Feb 20, 2018 11:54 am
Oh this just trial and error. In primary questions the answer is enogh and it is not a competetion question it was just an easy one for using trial and error method.

Ta to bujhlam. Kintu somadhan ta den.
by M. M. Fahad Joy
Tue Feb 20, 2018 11:11 am
Forum: Primary Level
Topic: 71 is my favourite number
Replies: 9
Views: 1115

Re: 71 is my favourite number

samiul_samin wrote:
Tue Feb 20, 2018 11:03 am
M. M. Fahad Joy wrote:
Tue Feb 20, 2018 10:41 am
:| Onker manei to bujhlam na. Eta ki primary level er onko?
Yes,$a=1$,$b=2$,$c=6$ So,the answer is $71$.Now think deeply and you will understand the question.

Apner nombor guli a,b,c the bosaile to solve hoiboi. Kintu prosno theke kivabe jukti die proman Korte Hoy, ta bolen na.
by M. M. Fahad Joy
Tue Feb 20, 2018 11:07 am
Forum: Primary Level
Topic: help!
Replies: 12
Views: 2586

Re: help!

Raiyan Jamil wrote:
Mon Feb 16, 2015 10:12 pm
This is the 7th question of junior category Dhaka 2015. The ans is 28098. :D

Why? the answer is 26600.
by M. M. Fahad Joy
Tue Feb 20, 2018 10:54 am
Forum: Primary Level
Topic: Divisional Math Olympiad, Dhaka-2016,primary, ques. 7
Replies: 10
Views: 3209

Re: Divisional Math Olympiad, Dhaka-2016,primary, ques. 7

Solve.
X = 99 and Y = 100
Because,
x*y% = 99*100% = 99 and y*x% = 100*99% = 99