Question

Difference between a two-digit number and the number obtained by interchanging the two digits is 45, what is the difference between two numbers
1) 2
2) 5
3) 8
4) 12​

Answer 1

Answer:

Let the number be 10x+y and its reverse will be 10y+x.

10x+y-(10+x) = 45

9x-9y=45, or

x-y=5

The difference between the two digits is 5.

So the possible numbers are 61 and 16, 72 and 27, 83 and 38, and 94 and 49.

hope it helps you dear friend

#Nikki

Answer 2

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