If (a=12q+8) and (b=12p+5), what is the remainder when (ab+a) is divided by 12?
Answer and explanation
Correct answer: 0
Step 1: The remainders of (a) and (b) are 8 and 5. Step 2: The remainder of (ab+a) comes from (8\times5+8=48), and 48 is divisible by 12. Step 3: In a mixed expression, find the remainder of each part separately.
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What is the correct answer to this question?
0
Why is this the correct answer?
Step 1: The remainders of (a) and (b) are 8 and 5. Step 2: The remainder of (ab+a) comes from (8\times5+8=48), and 48 is divisible by 12. Step 3: In a mixed expression, find the remainder of each part separately.
Which subject and chapter does this question cover?
This is a Class 10 Mathematics question. Chapter: Real Numbers. Topic: Euclid’s Division Lemma.
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