Problems on Numbers - General Questions

The sum of three consecutive integers is 24. What is the largest of them?

The sum of two numbers is 64 and their difference is 12. What is the larger number?

When 2 times a number is increased by 13, the result is 25. What is the number?

The sum of two numbers is 36 and their difference is 16. What is the larger number?

The sum of two numbers is 38 and their difference is 4. What is the larger number?