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HCF & LCM

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medium importance~1 Q in Tier 117 formulas⚡ 12 shortcuts4 subtopics
OverviewLearn (4)Formulas (17)Examples (5)Practice (56)

Practice one subtopic at a time

Each subtopic has its own practice sets of 10, next to its notes and question types.

HCF & LCM: definitions and core relations 15 QFinding HCF & LCM (incl. fractions and decimals) 12 QStandard word problems (tiles, bells, groups, divisible numbers) 15 QTwo-step LCM/HCF cases (extra condition, N-digit bounds) 14 Q

Full topic test — all 56 questions

Two modes: Practice reveals the explanation after each question; Test uses a per-question time budget like the real exam and saves your score.

Topic test · 56 questions

Suggested time 45 min · wrong answers go to your mistake notebook automatically.