If a number leaves remainder 6 when divided by 13, what is the remainder when its cube is divided by 13?
Answer and explanation
Correct answer: 8
Step 1: For the cube, check (6^3=216). Step 2: (216=13\times16+8), so the remainder is 8. Step 3: In powers, working with small remainders avoids large calculations.
Frequently asked questions
What is the correct answer to this question?
8
Why is this the correct answer?
Step 1: For the cube, check (6^3=216). Step 2: (216=13\times16+8), so the remainder is 8. Step 3: In powers, working with small remainders avoids large calculations.
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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