how many 3 digit numbers that are multiples of 6 in which the sum of hundreds digit and units and units digit is twice tens digit ?

A,B,C,D,A+C,B+C,A+D,B+D represent 8 diffirent natural numbers from 1 to 8. If A is the largest number in the number from 1 to 8.Find A

How many natural numbers are there between 100 and 999 that unit-digit and tens-digit equal hundreds-digit ?

in a 4-digit number, the ones digit is the possible largest number, the hundreds digit is the smallest odd number and the tens digit is 1 more than the hundreds digit. The thousands digit is the sum of the hundreds and the tens digit. Find the number

In a 4-digit number, the ones digit is the possible biggest number, the hundreds digit is the smallest odd number and the tens digit is 1 more than the hundreds digit.  The thousands digit is the sum of the hundreds and tens digit . Find the number. nhanh lên nhé

The tens digit of a 3 - digit number is 2 more than ones digit. The hundreds digit is double the tens digit. If the sum of all digit is 14. What is the number?

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In a 4-digit number, the ones digit is the possible largest number, the hundreds digit is the smallest odd number and the tens digit is 1 more than the hundreds digit. The thousands digit is the sum of the hundreds and the tens digit. Find the number.
Answer: The number is 

I am a 2-digit number that greater than 50. The sum of my tens digit and my ones digit is 10 and their difference is 6. Who am I? 

I am a 2-digit number that greater than 50. The sum of my tens digit and my ones digit is 10 and their difference is 6. Who am I? 

how many integer numbers between 200 and 300 are there for which the hundreds digit equals the sum of the other two digits ?