number. One student double digit 10 Extracts the average of numbers. If the number of a number If interchanged The average increases by 3.6. That Known difference of number digits Do it

A student calculated the average of 10, three digit number. But due to mistake he reversed the digits of a number and thus his average increased by 19.8. Find the difference between the unit digit and hundreds digit of that of that number

The sum of a two-digit number and the number obtained by interchanging the digits is 110. The difference between the digits is 4. What is the number?

The difference between a two-digit number and the number obtained by interchanging the digits is 27. What is the differences between the digits of the number ?

The digits of 6 and 9 of the number 36490 are interchanged.Find the difference between the original number and the new number.