2-digits number

How many 2-digit numbers are divisible by 3?

How many 2 -digit numbers are there in all?

The greatest pair of twin primes of 2- digit number is ______

In a 2-digit number, the units digit is four times the tens digit and the sum of the digits is 10. Find the number.

A 2-digit number is such that the product of the digit is 20. If 9 is subtracted from the number, the digits interchange their places. Find the number.

The digit of a 2-digit number in a unit is 5 and the sum of the digits is the (1/5) of the original number Find the number.

The difference between is 2-digit number and the number obtained by intercanging its digits is 63. What is the difference between the digits of the number?

If the digit 1 is placed after a 2-digit number whose tens is t and ones digit is u, the new number is ______.

The product of two 2 -digit numbers is 1938 .If the product of their unitss digits is 28 and that of tens digits is 15, find the numbers.