8 The digits of a two digit number differ by 7. If the digits are inte

1.	8 The digits of a two digit number differ by 7. If the digits are interchanged and theresulting number is added to the original number we get 121. Find the originalnumber.
Answer» let the two digit number be 10a+ba - b=7..........(1)10a+b+10b+a=12111a+11b=121a+b=11.........(2)(1)+(2)2a=18; a=9then b=2then the number is 92 divide 32÷20983443563

8 The digits of a two digit number differ by 7. If the digits are interchanged and theresulting number is added to the original number we get 121. Find the originalnumber.

Answer»

let the two digit number be 10a+ba - b=7..........(1)10a+b+10b+a=12111a+11b=121a+b=11.........(2)(1)+(2)2a=18; a=9then b=2then the number is 92

divide 32÷20983443563