2. Which of the following cannot be the difference between a two-digit number and then.
obtained by interchanging the digits?
(a) 72
(b) 36
(c) 54
(d) 48
Plz help... ❤️
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Answer:
C is right but not sure bro
Answer:
Hello mate!!
Let one number be 10x+y.
Reverse =10y+x
10x+y-(10y+x)=10x+y-10y-x
=9x-9y=9(x-y)
The difference between the two numbers must be divisible by 9.
Hope it helps you..
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