For students upto class 5 (age upto 12)
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samiul_samin - Posts:1007
- Joined:Sat Dec 09, 2017 1:32 pm
71 is my favourite number
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by samiul_samin » Mon Feb 19, 2018 2:00 pm
$a,b,c$ are $3$ differnt digits.Let,$\overline {abc}=100a +10b +c$
If $ba×c=abc$ and $abc$ is smallest such number then what is the value of $9c+8b+a$?
Note
Hint
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M. M. Fahad Joy
- Posts:120
- Joined:Sun Jan 28, 2018 11:43 pm
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by M. M. Fahad Joy » Tue Feb 20, 2018 10:41 am
Onker manei to bujhlam na. Eta ki primary level er onko?
You cannot cross the sea merely by standing and staring at the water.
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samiul_samin - Posts:1007
- Joined:Sat Dec 09, 2017 1:32 pm
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by samiul_samin » 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.
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M. M. Fahad Joy
- Posts:120
- Joined:Sun Jan 28, 2018 11:43 pm
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by M. M. Fahad Joy » Tue Feb 20, 2018 11:11 am
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.
You cannot cross the sea merely by standing and staring at the water.
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samiul_samin - Posts:1007
- Joined:Sat Dec 09, 2017 1:32 pm
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by samiul_samin » 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.
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M. M. Fahad Joy
- Posts:120
- Joined:Sun Jan 28, 2018 11:43 pm
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by M. M. Fahad Joy » Tue Feb 20, 2018 11:59 am
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.
You cannot cross the sea merely by standing and staring at the water.
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M. M. Fahad Joy
- Posts:120
- Joined:Sun Jan 28, 2018 11:43 pm
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by M. M. Fahad Joy » 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?
You cannot cross the sea merely by standing and staring at the water.
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samiul_samin - Posts:1007
- Joined:Sat Dec 09, 2017 1:32 pm
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by samiul_samin » 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.
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M. M. Fahad Joy
- Posts:120
- Joined:Sun Jan 28, 2018 11:43 pm
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by M. M. Fahad Joy » Tue Feb 20, 2018 1:50 pm
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.
You cannot cross the sea merely by standing and staring at the water.