The last digit of $(12)^{12}$ is :
A. 8
B. 6
C. multiple of 4
D. divisible by 2
E. 4
Choose the correct answer from the options given below :
Answer & explanation
Correct answer: option 1
The correct answer is Option (1) → B and D only
$2^0=1$
$2^1=2$
$2^2=4$
$2^3=8$
$2^4=16$
$2^5=32$
$∴(12)^{12}=((12)^4)^3$
∴ Unit digit = 6 which is divisible by 2.