Suppose the 6 digit numbẻ 18abc2 can be divided evenly by both 17 and 31. Find the largest possible value for a+b+c

If A is divided by 9 then the sum of the quotient and 9 is the greatest 2-digit number. Find the value of A. Answer: A =

Câu 10:
If A is divided by 9 then the sum of the quotient and 9 is the greatest 2-digit number. Find the value of A.
Answer: A =

A 6 digit number begins with the digit 8.The number with divisible by 9 and all digits of the number are different.What is the possible smallest value of this number?

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

cho mình hỏi 2 câu này: 

Question 1:
The difference of the greatest and the least 4 – digit number can you make using all digit 9;3;0;7 is ......

Question 2:
When X divided by 234, the remainder is the greatest possible remainder and the quotient is 5. 
The value of X is ..........

:
If A is divided by 9 then the sum of the quotient and 9 is the greatest 2-digit number. Find the value of A.
Answer: A = 

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

The sum of 2018 and a 3-digit number is a square number. Find the smallest possible value of the 3- digit numbers