Delhi Police Constable Notes 2026 – Chapter-wise, English & हिंदी
11 chapter-wise notes for Delhi Police Constable, matched to the official Staff Selection Commission (for Delhi Police) syllabus. Each note explains the concepts with rules, solved examples and common mistakes.
11 notes140 conceptsEnglish + हिंदी2,198 practice questions
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Quantitative Aptitude · 11 notes
- Number System14 concepts · English + हिंदीTypes of numbers to trailing zeros — 14 concepts with rules, examples and common mistakes.
- Simplification13 concepts · English + हिंदीBODMAS to laws of indices — 13 concepts with rules, examples and common mistakes.
- Percentage14 concepts · English + हिंदीBasics to pass/fail overlaps — 14 concepts with rules, examples and common mistakes.
- Simple & Compound Interest13 concepts · English + हिंदीSI basics to population growth — 13 concepts with rules, examples and common mistakes.
- Profit & Loss14 concepts · English + हिंदीCP and SP to mixtures — 14 concepts with rules, examples and common mistakes.
- Average13 concepts · English + हिंदीBasics to average speed — 13 concepts with rules, examples and common mistakes.
- Ratio & Proportion13 concepts · English + हिंदीRatio basics to mixtures — 13 concepts with rules, examples and common mistakes.
- Work & Time11 concepts · English + हिंदीWork as a rate to leaks in tanks — 11 concepts with the LCM method, rules, examples and common mistakes.
- Time, Speed & Distance11 concepts · English + हिंदीUnits to races — 11 concepts covering relative speed, trains, boats and circular tracks with rules, examples and common mistakes.
- Area & Volume12 concepts · English + हिंदीUnits to recasting — 12 concepts covering plane figures, solids and % change, with formula tables, examples and common mistakes.
- Number Series12 concepts · English + हिंदीDifferences to wrong terms — 12 pattern types with a step-by-step method, examples and common mistakes.
FAQs
Which Delhi Police Constable notes are available?
11 chapter-wise notes (140 concepts) across Quantitative Aptitude, matched to the official Delhi Police Constable syllabus.
Are the Delhi Police Constable notes in Hindi?
Yes, most notes are in English and हिंदी; switch the language while reading.
Are the Delhi Police Constable notes free?
The first concept of every note is free to read. Full notes, practice questions and mock tests are part of PYQsathi Pro (₹299 per year); when a launch offer is running, its coupon is shown above.
PYQSathi is an independent platform, not a government website and not affiliated with the Staff Selection Commission (for Delhi Police).