You have 1023 apples and 10 bags. You have to distribute these apples in these 10 bags in any way you choose. But when I ask for a certain number of apples you have to give them in terms of bags without transferring the apples from other bags. How do you distribute the apples?
What is the four-digit number in which the first digit is one-third the second, the third is the sum of the first two, and the last is three times the second?