1. Sets:Sets and their representations. Empty set, Finite & Infinite sets, Equal sets, Subsets, Subsets of the set of real numbers especially intervals (with notations). Universal set. Venn diagrams.

PSEB Date Sheet 2026 released for Classes 8, 10 & 12. Class 8 & 12 exams begin Feb 17, 2026, Class 10 from March 6. Check ...