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 : |
B and D only A and C only A and B only C and D only |
B and D only |
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. |