Question

(ii) In a two-digit number, the digit at the units place is equal to the square of the digit at tens place. If 18 is added to the number
the digits get interchanged. Find the number.​
The question is from Quadratic equations. The answer is 24 but I want to know how to do it stepwise

Answer 1

Answer:

In a two digit number the digit at units place is equal to the square of the digit at tens place if 18 is addef to the number the digit get interchanged find the number.

6 votes

there are three possibility -11 -> 11+18=2924 -> 24+18=4239 -> 39+18=57so 24 is correct