Question

22. A number consists of two digits whose sum is 8. If 54 is added to the number
digits are reversed. Find the number.
the digits are reversed. Find the number.
The difference of two comnlementary angles is 18°. Find the angles
23​

Answer 1

let that number be 1 and 7(1+7=8) and add 54 in 17 ,

we get 71.

so,17 (seventeen) is correct answer.