A number leaves a remainder of 3 when divided by 6. What is the remainder when the square of the number is divided by 6?
A. 3
B. 1
C. 0
D. 2
A. 3
B. 1
C. 0
D. 2
Best answer
Answer: A. 3
Answer: (A) 3
Write the number as 6k + 3. Its square leaves the same remainder as 3² = 9, and 9 ÷ 6 leaves 3.
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