A Beautiful Multiplication Puzzle Only For Genius minds
video description
926 800 x 800 = 640000 as the answer is 6. (+ 5 digits given. Possible 9 and 6
__________ let start with 9 and 7 as thousand digits 9. So 7. 1 x 92. In the second row '4'
4386 is in the thousands digit and 20 x 700 = 1400, so that satisfy the thousand and
14620 ten-thousand digit of the second row. For the first row to get 3 for the hundred
657900 digit 7 as to be multiplied by 9 or 6 as 9 x 7 = 63 and 7 x 6= 42 which would
____________ become '43 if get a '1' from the right. let start with 6 (as to avoid using similar
676906 digit. So far we have 7- 1 x 926. 900 x 730 = 63000 + 2700 = 65. which
satisfies the'5' in the third row as we are looking a '2' from thousands and so a '3' is needed as if you multiply 2 x 9 = 18 you get a '1' and if 4 x 9 =36 you get a 3, but you are looking for a '2' so it is '3'. so now we 731 and 926 when multiplied you get 676906 answers.
Date: 2023-11-15
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Comments and reviews: 17
prateek
Hey sir
you have upload one puzzle in which 4 people have to crossed the puzzle in 17 min.
But I think in that puzzle the solution is 10 minutes. let us consider A, B, C, D. in which A. Will cross the puzzle in 1 min, B =2 min, C = 7min and D = 10 minutes
My solution firsty A & D both go together with torch to cross the bridge. A will cross the bridge in 1 minutes also D completed 10% race now he shouts to B and B WILL come crossed the bridge in 2min so now D TOTAL time is (1+2=3) min(30% completed) now C come and both D & C both will cross the bridge in next 7 minutes. so total time to cross the bridge is 10 minutes( 1 +2+7. means - % race completed.
Plz comment this solution is right or wrong
reply
Hey sir
you have upload one puzzle in which 4 people have to crossed the puzzle in 17 min.
But I think in that puzzle the solution is 10 minutes. let us consider A, B, C, D. in which A. Will cross the puzzle in 1 min, B =2 min, C = 7min and D = 10 minutes
My solution firsty A & D both go together with torch to cross the bridge. A will cross the bridge in 1 minutes also D completed 10% race now he shouts to B and B WILL come crossed the bridge in 2min so now D TOTAL time is (1+2=3) min(30% completed) now C come and both D & C both will cross the bridge in next 7 minutes. so total time to cross the bridge is 10 minutes( 1 +2+7. means - % race completed.
Plz comment this solution is right or wrong
reply
Devon
Because you are multiplying two three digit numbers and the answer is six digits, which begins with 6 (given ) 6. , then those two digits cant be 300 x 900, for example because that only will give you 270, 000 or 300, 000 +. so it has to be 600 x 900 as 6 x 9 =540000, though smaller than 600, 000 + could be over 600, 000 + if it is say 690 x 990.
700 x 900 is a possibility as this equals 630000 a 6 with 5 digits. 800 x 800 also gives 640000, but you are trying to avoid using same digit 8 and 8. And this is how you start.
reply
Because you are multiplying two three digit numbers and the answer is six digits, which begins with 6 (given ) 6. , then those two digits cant be 300 x 900, for example because that only will give you 270, 000 or 300, 000 +. so it has to be 600 x 900 as 6 x 9 =540000, though smaller than 600, 000 + could be over 600, 000 + if it is say 690 x 990.
700 x 900 is a possibility as this equals 630000 a 6 with 5 digits. 800 x 800 also gives 640000, but you are trying to avoid using same digit 8 and 8. And this is how you start.
reply
dragondawg
I never considered the 0 digits leading numbers, it's a good thing the problem never used them. I did most everything else the same, except for determining 4: 49. I noticed, due to 1 providing no carry over when multiplied by a single integer, that I could brute force by multiplying 73 by numbers 1-9 to find 3-digit numbers with a 3 in the tens column. I realized 73-6 is the only answer, as it gives 438.
reply
I never considered the 0 digits leading numbers, it's a good thing the problem never used them. I did most everything else the same, except for determining 4: 49. I noticed, due to 1 providing no carry over when multiplied by a single integer, that I could brute force by multiplying 73 by numbers 1-9 to find 3-digit numbers with a 3 in the tens column. I realized 73-6 is the only answer, as it gives 438.
reply
Tamir
How do you explain 731x9=657, 900?
Didn't you say every dot represent a digit?
How can you cancel or ignore zeros?
According to this logic 2=200=20, 000
Correct the riddle by erasing the last dots in the right side of the 3 last rows. Like this
1 - -
- 2 -
______
- - 3 -
- - 4 -
- - 5 -
______________
- - - - - 6
reply
How do you explain 731x9=657, 900?
Didn't you say every dot represent a digit?
How can you cancel or ignore zeros?
According to this logic 2=200=20, 000
Correct the riddle by erasing the last dots in the right side of the 3 last rows. Like this
1 - -
- 2 -
______
- - 3 -
- - 4 -
- - 5 -
______________
- - - - - 6
reply
Ram
Good puzzle. I solved in about 20 minutes with this approach.
Bottom line was 650K or greater - So need 900x700 or 800x800 etc between the first two numbers.
Then iterate between some combinations for 10 minutes to rule out a few combinations.
Lines 1 and 2 post multiplication help with this.
reply
Good puzzle. I solved in about 20 minutes with this approach.
Bottom line was 650K or greater - So need 900x700 or 800x800 etc between the first two numbers.
Then iterate between some combinations for 10 minutes to rule out a few combinations.
Lines 1 and 2 post multiplication help with this.
reply
Priyanshi
I was able to solve it and I liked it too
But is there a simpler solution to it too?
People here are commenting being able to solve in 1 minute
So is there another way for that?
reply
I was able to solve it and I liked it too
But is there a simpler solution to it too?
People here are commenting being able to solve in 1 minute
So is there another way for that?
reply
Hrishikesh
Before watching answer: 731 - 926.
Let's see if I am right! Fingers crossed!
Edit: Hurray! Got it right! That was a real brain jerker! Thanks for sharing! Keep sharing them.
reply
Before watching answer: 731 - 926.
Let's see if I am right! Fingers crossed!
Edit: Hurray! Got it right! That was a real brain jerker! Thanks for sharing! Keep sharing them.
reply
David
Wasn't too difficult. Not sure -Only for Genius minds- is valid. As soon as I figured out 731, I worked out its times table, up to 9. Only one of these values had a hundreds value of 3.
reply
Wasn't too difficult. Not sure -Only for Genius minds- is valid. As soon as I figured out 731, I worked out its times table, up to 9. Only one of these values had a hundreds value of 3.
reply
Gene
Very pretty.
Here is a similar, simpler one I found and enjoy: ab times c equals def where a through f are different digits from 1 to 6. I would like to see your presentation.
reply
Very pretty.
Here is a similar, simpler one I found and enjoy: ab times c equals def where a through f are different digits from 1 to 6. I would like to see your presentation.
reply
Gene
Very pretty.
Here is a similar, simpler one I found and enjoy: ab times c equals def where a through f are different digits from 1 to 6. I would like to see your presentation.
reply
Very pretty.
Here is a similar, simpler one I found and enjoy: ab times c equals def where a through f are different digits from 1 to 6. I would like to see your presentation.
reply
Mehedi
Yeah. Solve it within 10 minutes & love to solve this type of problem.
Can you solve this same problem changing the digits (1, 2, 3, 4, 5, 6) to (2, 3, 4, 5, 6, 7.
reply
Yeah. Solve it within 10 minutes & love to solve this type of problem.
Can you solve this same problem changing the digits (1, 2, 3, 4, 5, 6) to (2, 3, 4, 5, 6, 7.
reply
Alexander
Here's an SQL solution:
WITH RECURSIVE Sequence AS
(
SELECT 0 AS Digit
UNION ALL
SELECT Digit + 1 FROM Sequence WHERE Digit + 1
reply
Here's an SQL solution:
WITH RECURSIVE Sequence AS
(
SELECT 0 AS Digit
UNION ALL
SELECT Digit + 1 FROM Sequence WHERE Digit + 1
reply
unscripted
yea firsttime i done without seeing the soluation but takes me 2hour max-
please uplode video 3times in week
reply
yea firsttime i done without seeing the soluation but takes me 2hour max-
please uplode video 3times in week
reply
Brett
This is my second plus time watching it and it is still very hard. It is similarly frustrating to preach talwalker
reply
This is my second plus time watching it and it is still very hard. It is similarly frustrating to preach talwalker
reply
THE_RIDDLER
For last digit 6, we could have simply checked for a digit which multipled by 731 gives 3 at 100th place.
reply
For last digit 6, we could have simply checked for a digit which multipled by 731 gives 3 at 100th place.
reply
Sagar
I think I solved this question easily because I have not seen that statement -- Only for genius minds --
reply
I think I solved this question easily because I have not seen that statement -- Only for genius minds --
reply
Rahul's
Finally finnaly I solve this puzzle after trying 10 minutes! By the way I am a student of class VIII.
reply
Finally finnaly I solve this puzzle after trying 10 minutes! By the way I am a student of class VIII.
reply
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