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.
Correct Answer: C
Solution :
Let us consider an example. Consider the two-digit number 25. The number obtained on reversing the digits is 52. Their difference \[=52-25=27\] s divisible by 9.You need to login to perform this action.
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