Numbers & Numerical Applications · Class 11 Applied Maths · Chapter 1
🔢 Numbers, Quantification and Numerical Applications
CBSE Class 11 Commerce · Applied Mathematics · Chapter 1
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📖Notes Deck
Full lecture deck with teaching paragraphs, misconception red-boxes, and glossary. Read this first.
Download PDF →📝Quick Drill
15 pattern-tagged MCQs with per-Q time budget. Drill under a 20-min timer.
Download PDF →📄Exam Paper
Full exam-pattern paper with sections. Sit it closed-book before checking the marking scheme.
Download PDF →✅Marking Scheme + Topper Templates
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Download PDF →⚡Cheat Sheet
1-page exam-day card: key points, top question patterns, 90-minute revision flow.
Download PDF →👨👩👧For Parents
1-page plain-language parent guide: what's being learned + questions to ask your child.
Download PDF →Top question patterns · CBSE annual / SQP aggregate
| 95% | Logarithm-law simplification / evaluation — Combine with product (+), quotient (−) and power (n·) laws · reduce the argument to a power of the base · evaluate using log_b b = 1. | 3 MARKS |
| 85% | Binary ↔ decimal conversion — Decimal→binary: repeated ÷2, read remainders upward. Binary→decimal: weight each digit by its power of 2 and sum. | 2 MARKS |
| 80% | Modulo / calendar / clock — Translate to N mod 7 (calendar) or N mod 12 (clock) · compute remainder · count forward/backward · name the day/hour. | 2 MARKS |
| 90% | Alligation / mixture — Identify C, D, M · apply (D−M):(M−C) cross-rule · verify by weighted-average · state ratio with units. | 3 MARKS |
| 70% | Boats-streams / pipes-cisterns — Boats: compute down+up speeds, then b=(d+u)/2, s=(d−u)/2. Pipes: convert to rates, sum (leak negative), invert. | 4 MARKS |
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