Question
A number when divide by 6 leaves a remainder 3. When the square of the number is divided by 6, the remainder is:
Answer: Option D
Was this answer helpful ?
Let x = 6q + 3.
Then, x2 = (6q + 3)2
= 36q2 + 36q + 9
= 6(6q2 + 6q + 1) + 3
Thus, when x2 is divided by 6, then remainder = 3.
Was this answer helpful ?
More Questions on This Topic :
Latest Videos
Latest Test Papers
Submit Solution