Q648
If x = (164)169 + (333)337 - (727)726, then what is the units digit of x?
A.
5
B.
7
C.
8
AnswerD.
9
Answer: Option C
Solution
Answer: Option C
Solution:
x = (164)169 + (333)337 - (727)726x = 4 + 3 - 9
x = . . . . . . 7 - 9
x = 17 - 9
x = 8