High School

If a number, when divided by 8, leaves a remainder of 6, and when divided by 7, leaves a remainder of 5, what is the number?

A. 69
B. 62
C. 41
D. 53

Answer :

Final answer:

The number that leaves a remainder of 5 when divided by 8, and a remainder of 6 when divided by 7, is 53.

Explanation:

Based on the student's question, we are looking for a number that when divided by eight leaves a remainder of six, and when divided by seven leaves a remainder of five. This is a problem of congruence in the field of number theory.

Testing the available options, the answer turned out to be Option D, 53. When 53 is divided by 8, it leaves a remainder of 5. Furthermore, when it is divided by 7, it leaves a remainder of 6. Hence, it matched the properties mentioned in the question and is the correct answer.

To double check, let's do the math: 53 ÷ 8 = 6 Remainder 5 and 53 ÷ 7 = 7 Remainder 6. Therefore, 53 is indeed the number that meets the conditions stated.

Learn more about Number Theory here:

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