A number when divided by 6 leaves a remainder 3. When the square of the same number is divided by 6, the remainder is:
Choose the correct option
A) 0
B) 1
C) 2
D) 3
E) 4
Let x=6q+3. Then, x2= (6q+3)2= 36q2+36q+9= 6(6q2+6q+1)+3.   So, when 2n is divided by 4, remainder =3.   Answer: 3
<result>D</result>
A number when divided by 6 leaves a remainder 3. When the square of the same number is divided by 6, the remainder is: