Question

(7) Find the difference between a 2-digit
number and the number obtained by
reversing its digits if the two digits of the
number differ by 5.​

Answer 1

Answer:

45

Step-by-step explanation:

let the two digits of the two digit no. be x and x-5 respectively. then the two digit no. that can be formed with these digits are 10x+x-5 and 10(x-5)+x.

hence their difference will be 10x+x-5-10(x-5)-x

=45

Hope this helps