The missing numbers

Computer Science Level 3

This text file contains a list of arithmetic progression with a common difference of \(4\). At random three numbers were removed from the list excluding the beginning and end. If \((A_{1},A_{2},A_{3})\) are the three such numbers in increasing order..

\[A_{3}-(A_{2}+A_{1})= ?\]

Excel in math and science

Master concepts by solving fun, challenging problems.

It's hard to learn from lectures and videos

Learn more effectively through short, conceptual quizzes.

Our wiki is made for math and science

Master advanced concepts through explanations, examples, and problems from the community.

Used and loved by 4 million people

Learn from a vibrant community of students and enthusiasts, including olympiad champions, researchers, and professionals.