If a number of two digits is k times the sum of its digits, then the number formed by interchanging the digits is the sum of the digits multiplied by

A two-digit number exceeds the sum of the digits of that number by 18. If the digit at the unit's place is double the digit in the ten's place, what is the number?

The sum of the digits of a two-digit number is 15 and the difference between the digits is 3. What is the two-digit number?

A two-digit number is 7 times the sum of its digits. The number that is formed by reversing its digits is 18 less than the original number. What is the number?

If the digit in the unit's place of a two-digit number is halved and the digit in the ten's place is doubled, the number thus obtained is equal to the number obtained by interchanging the digits. Which of the following is definitely true?

In a two-digit number, if it is known that its unit's digit exceeds its ten's digit by 2 and that the product of the given number and the sum of its digits is equal to 144, then the number is

A number consists of two digits. If the digits interchange places and the new number is added to the original number, then the resulting number will be divisible by

The sum of the digits of a two-digit number is 9 less than the number. Which of the following digits is at unit's place of the number?

The difference between a two-digit number and the number obtained by interchanging the positions of its digits is 36. What is the difference between the two digits of that number?

The difference between a two-digit number and the number obtained by interchanging the two digits is 63. Which is the smaller of the two numbers?