1.

X is a two-digit number. Y is the number obtained on reversing the digits of X. Which of the following is true?

A.  \[X+Y\] is divisible by 10.
B.                         \[X-Y\] is divisible by 6.
C.                         \[X-Y\] is divisible by 9.
D.                         \[X+Y\] is divisible by 8.
Answer» D.                         \[X+Y\] is divisible by 8.


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