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The difference between a two-digit number and the number obtained by interchanging the digits is 36. What is the difference between the sum and the difference of the digits of the number if the ratio between the digits of the number is 1 : 2 ?
frankThere is something I don't understand about algebra: It has been around for thousands of years, yet no one has ever found out what the value of "x" or "y" really is.
Richard van der MerweM4Math helped me a lot.
Vipul Chavan 4 years agoThanks m4 maths for helping to get placed in several companies.
I must recommend this website for placement preparations.
