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Remainder when 567213560 is divided by 8
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01 Sep 2021, 01:38
01 Sep 2021, 01:38
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Question Stats:
43% (01:03) correct
56% (00:59) wrong based on 30 sessions
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Quantity A |
Quantity B |
Remainder when 567213560 is divided by 8 |
Remainder when 297845786 is divided by 7 |
A. Quantity A is greater
B. Quantity B is greater
C. The two quantities are equal
D. The relationship cannot be determined from the information given
Remainder when 567213560 is divided by 8
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01 Sep 2021, 19:35
01 Sep 2021, 19:35
3
Qt A
\(567213560\) when divided by \(8\)
\(8\)'s divisibility rule:
if the last three digits are divisible by \(8\), then the whole number is divisible by \(8\)
consider the last three digits \(560\), when divided by \(8\), the remainder will be \(0\)
Qt B
\(297845786\) when divided by \(7\)
\(7\)'s divisibility rule:
Take the last digit of the number you're testing and double it. Subtract this number from the rest of the digits in the original number. If this new number is either \(0\) or if it's a number that's divisible by \(7\), then you know that the original number is also divisible by \(7\).
Here, the last digit is \(6\), and its double is \(12\).
When subtracting \(12\) from \(29784578\), we will get \(29784566\), which is divisible by \(7\).
You can use the calculator as well.
Qt A = Qt B
Answer C
\(567213560\) when divided by \(8\)
\(8\)'s divisibility rule:
if the last three digits are divisible by \(8\), then the whole number is divisible by \(8\)
consider the last three digits \(560\), when divided by \(8\), the remainder will be \(0\)
Qt B
\(297845786\) when divided by \(7\)
\(7\)'s divisibility rule:
Take the last digit of the number you're testing and double it. Subtract this number from the rest of the digits in the original number. If this new number is either \(0\) or if it's a number that's divisible by \(7\), then you know that the original number is also divisible by \(7\).
Here, the last digit is \(6\), and its double is \(12\).
When subtracting \(12\) from \(29784578\), we will get \(29784566\), which is divisible by \(7\).
You can use the calculator as well.
Qt A = Qt B
Answer C
General Discussion
Re: Remainder when 567213560 is divided by 8
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01 Sep 2021, 20:55
01 Sep 2021, 20:55
Can anyone elaborate this question? Is the answer A or C?
