If a number leaves remainder 2 when divided by 5, what is the remainder when its cube is divided by 5?
Answer and explanation
Correct answer: 3
Step 1: For the cube, consider (2^3=8). Step 2: (8=5\times1+3), so the cube leaves remainder 3. Step 3: In powers, first raise the small remainder to the power.
Frequently asked questions
What is the correct answer to this question?
3
Why is this the correct answer?
Step 1: For the cube, consider (2^3=8). Step 2: (8=5\times1+3), so the cube leaves remainder 3. Step 3: In powers, first raise the small remainder to the power.
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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