Question

The digit in the ones place of 2-digit at the tens place.Write the no.

Please solve this with algebraic expression formula​

Answer 1

Given :the digit in the ones place of a 2 digit number is twice the digit at the tens place

To Find:write the number

Solution:

Let the digit at ten's place be x

Since we are given that the digit in the ones place of a 2 digit number is twice the digit at the tens place

So, the digit at ones place = 2x

the number contains two digits

So, Number =  

Hence the number is