find the remainder in the following question [on hold]
If there are any 2018 numbers, find the remainder of the sum of the squares of all the numbers divided by 2018. Provided that the sum of any two numbers out of those 2018 numbers and one left is divisible by 2018
arithmetic
New contributor
put on hold as off-topic by Eevee Trainer, amWhy, KM101, Carl Mummert, stressed out 2 days ago
This question appears to be off-topic. The users who voted to close gave this specific reason:
- "This question is missing context or other details: Please provide additional context, which ideally explains why the question is relevant to you and our community. Some forms of context include: background and motivation, relevant definitions, source, possible strategies, your current progress, why the question is interesting or important, etc." – Eevee Trainer, amWhy, KM101, Carl Mummert, stressed out
If this question can be reworded to fit the rules in the help center, please edit the question.
add a comment |
If there are any 2018 numbers, find the remainder of the sum of the squares of all the numbers divided by 2018. Provided that the sum of any two numbers out of those 2018 numbers and one left is divisible by 2018
arithmetic
New contributor
put on hold as off-topic by Eevee Trainer, amWhy, KM101, Carl Mummert, stressed out 2 days ago
This question appears to be off-topic. The users who voted to close gave this specific reason:
- "This question is missing context or other details: Please provide additional context, which ideally explains why the question is relevant to you and our community. Some forms of context include: background and motivation, relevant definitions, source, possible strategies, your current progress, why the question is interesting or important, etc." – Eevee Trainer, amWhy, KM101, Carl Mummert, stressed out
If this question can be reworded to fit the rules in the help center, please edit the question.
The remainder when dividing by what? And what do you mean with “one left”?
– Jonas De Schouwer
2 days ago
one left means -1.
– Priyansh Verma
2 days ago
Or the sum of any two numbers exept one?
– Jonas De Schouwer
2 days ago
sum of any two no.s minus 1 is divisible by 2018
– Priyansh Verma
2 days ago
1
Your question is unclear. Can you rewrite it with better wording.
– harshit54
2 days ago
add a comment |
If there are any 2018 numbers, find the remainder of the sum of the squares of all the numbers divided by 2018. Provided that the sum of any two numbers out of those 2018 numbers and one left is divisible by 2018
arithmetic
New contributor
If there are any 2018 numbers, find the remainder of the sum of the squares of all the numbers divided by 2018. Provided that the sum of any two numbers out of those 2018 numbers and one left is divisible by 2018
arithmetic
arithmetic
New contributor
New contributor
edited 2 days ago
Carl Mummert
66k7131246
66k7131246
New contributor
asked 2 days ago
Priyansh Verma
4
4
New contributor
New contributor
put on hold as off-topic by Eevee Trainer, amWhy, KM101, Carl Mummert, stressed out 2 days ago
This question appears to be off-topic. The users who voted to close gave this specific reason:
- "This question is missing context or other details: Please provide additional context, which ideally explains why the question is relevant to you and our community. Some forms of context include: background and motivation, relevant definitions, source, possible strategies, your current progress, why the question is interesting or important, etc." – Eevee Trainer, amWhy, KM101, Carl Mummert, stressed out
If this question can be reworded to fit the rules in the help center, please edit the question.
put on hold as off-topic by Eevee Trainer, amWhy, KM101, Carl Mummert, stressed out 2 days ago
This question appears to be off-topic. The users who voted to close gave this specific reason:
- "This question is missing context or other details: Please provide additional context, which ideally explains why the question is relevant to you and our community. Some forms of context include: background and motivation, relevant definitions, source, possible strategies, your current progress, why the question is interesting or important, etc." – Eevee Trainer, amWhy, KM101, Carl Mummert, stressed out
If this question can be reworded to fit the rules in the help center, please edit the question.
The remainder when dividing by what? And what do you mean with “one left”?
– Jonas De Schouwer
2 days ago
one left means -1.
– Priyansh Verma
2 days ago
Or the sum of any two numbers exept one?
– Jonas De Schouwer
2 days ago
sum of any two no.s minus 1 is divisible by 2018
– Priyansh Verma
2 days ago
1
Your question is unclear. Can you rewrite it with better wording.
– harshit54
2 days ago
add a comment |
The remainder when dividing by what? And what do you mean with “one left”?
– Jonas De Schouwer
2 days ago
one left means -1.
– Priyansh Verma
2 days ago
Or the sum of any two numbers exept one?
– Jonas De Schouwer
2 days ago
sum of any two no.s minus 1 is divisible by 2018
– Priyansh Verma
2 days ago
1
Your question is unclear. Can you rewrite it with better wording.
– harshit54
2 days ago
The remainder when dividing by what? And what do you mean with “one left”?
– Jonas De Schouwer
2 days ago
The remainder when dividing by what? And what do you mean with “one left”?
– Jonas De Schouwer
2 days ago
one left means -1.
– Priyansh Verma
2 days ago
one left means -1.
– Priyansh Verma
2 days ago
Or the sum of any two numbers exept one?
– Jonas De Schouwer
2 days ago
Or the sum of any two numbers exept one?
– Jonas De Schouwer
2 days ago
sum of any two no.s minus 1 is divisible by 2018
– Priyansh Verma
2 days ago
sum of any two no.s minus 1 is divisible by 2018
– Priyansh Verma
2 days ago
1
1
Your question is unclear. Can you rewrite it with better wording.
– harshit54
2 days ago
Your question is unclear. Can you rewrite it with better wording.
– harshit54
2 days ago
add a comment |
1 Answer
1
active
oldest
votes
Consider 3 of those numbers $a$, $b$ and $c$.
Then $a+cequiv 1pmod{2018}$ and $b+cequiv 1pmod{2018}$. Hence, $aequiv b pmod{2018}$.
Analogously, every of those numbers is equal $pmod{2018}$. Call this value $n$.
This reduces the problem to finding the remainder of $2018cdot n^2$ when divided by $2018$, which is of course $0$.
i didn't got that
– Priyansh Verma
2 days ago
a=b (mod n) means that n|a-b, or (in other words) that a and b have the same remainder when divided by n.
– Jonas De Schouwer
2 days ago
add a comment |
1 Answer
1
active
oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
Consider 3 of those numbers $a$, $b$ and $c$.
Then $a+cequiv 1pmod{2018}$ and $b+cequiv 1pmod{2018}$. Hence, $aequiv b pmod{2018}$.
Analogously, every of those numbers is equal $pmod{2018}$. Call this value $n$.
This reduces the problem to finding the remainder of $2018cdot n^2$ when divided by $2018$, which is of course $0$.
i didn't got that
– Priyansh Verma
2 days ago
a=b (mod n) means that n|a-b, or (in other words) that a and b have the same remainder when divided by n.
– Jonas De Schouwer
2 days ago
add a comment |
Consider 3 of those numbers $a$, $b$ and $c$.
Then $a+cequiv 1pmod{2018}$ and $b+cequiv 1pmod{2018}$. Hence, $aequiv b pmod{2018}$.
Analogously, every of those numbers is equal $pmod{2018}$. Call this value $n$.
This reduces the problem to finding the remainder of $2018cdot n^2$ when divided by $2018$, which is of course $0$.
i didn't got that
– Priyansh Verma
2 days ago
a=b (mod n) means that n|a-b, or (in other words) that a and b have the same remainder when divided by n.
– Jonas De Schouwer
2 days ago
add a comment |
Consider 3 of those numbers $a$, $b$ and $c$.
Then $a+cequiv 1pmod{2018}$ and $b+cequiv 1pmod{2018}$. Hence, $aequiv b pmod{2018}$.
Analogously, every of those numbers is equal $pmod{2018}$. Call this value $n$.
This reduces the problem to finding the remainder of $2018cdot n^2$ when divided by $2018$, which is of course $0$.
Consider 3 of those numbers $a$, $b$ and $c$.
Then $a+cequiv 1pmod{2018}$ and $b+cequiv 1pmod{2018}$. Hence, $aequiv b pmod{2018}$.
Analogously, every of those numbers is equal $pmod{2018}$. Call this value $n$.
This reduces the problem to finding the remainder of $2018cdot n^2$ when divided by $2018$, which is of course $0$.
answered 2 days ago
Jonas De Schouwer
1284
1284
i didn't got that
– Priyansh Verma
2 days ago
a=b (mod n) means that n|a-b, or (in other words) that a and b have the same remainder when divided by n.
– Jonas De Schouwer
2 days ago
add a comment |
i didn't got that
– Priyansh Verma
2 days ago
a=b (mod n) means that n|a-b, or (in other words) that a and b have the same remainder when divided by n.
– Jonas De Schouwer
2 days ago
i didn't got that
– Priyansh Verma
2 days ago
i didn't got that
– Priyansh Verma
2 days ago
a=b (mod n) means that n|a-b, or (in other words) that a and b have the same remainder when divided by n.
– Jonas De Schouwer
2 days ago
a=b (mod n) means that n|a-b, or (in other words) that a and b have the same remainder when divided by n.
– Jonas De Schouwer
2 days ago
add a comment |
The remainder when dividing by what? And what do you mean with “one left”?
– Jonas De Schouwer
2 days ago
one left means -1.
– Priyansh Verma
2 days ago
Or the sum of any two numbers exept one?
– Jonas De Schouwer
2 days ago
sum of any two no.s minus 1 is divisible by 2018
– Priyansh Verma
2 days ago
1
Your question is unclear. Can you rewrite it with better wording.
– harshit54
2 days ago