The difference between a two-digit number and the number obtained by interchanging the positions of its digits is 45. What is the difference between the two digits of that number?(A) 5(B) 7(C) 6(D) None of these

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1.	The difference between a two-digit number and the number obtained by interchanging the positions of its digits is 45. What is the difference between the two digits of that number?(A) 5(B) 7(C) 6(D) None of these
Answer» None

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