SEAMO 2026 Paper C SET 2 – Self-practice Question 18

Find the value of $a$, when $(a-b)$ is minimum.

$\begin{array}{c|ccccccccc}&1&5&9&\cdots&a&\cdots&1325&1329&1333\\\hline&1000&997&994&\cdots&b&\cdots&7&4&1\end{array}$