November 2, 2026
SSC CHSL Flashcards: The Spacing Math Behind Remembering 235 Questions Months From Now
Our SSC CHSL flashcard deck has exactly 235 questions across 9 topics. Here's the actual math -- grounded in two separate memory-research papers -- for how many times each card needs to resurface before Tier 1 to still be retrievable, and why most candidates' "revision" plans fall well short of that.
- Vacancies 2,536 tentative vacancies (LDC, JSA, DEO, DEO Grade A) source
- Eligibility 12th pass (10+2); age 18-27 years as on 1 Aug 2026 (relaxation: OBC up to 30, SC/ST up to 32) source
- Exam pattern Tier 1: 100 Q / 200 marks / 60 min - English, General Intelligence, Quantitative Aptitude, General Awareness (25 Q / 50 marks each, 15-min sectional timer), -0.5 per wrong answer. Tier 2: Session 1 objective (Maths & Reasoning, English & GA, Computer Knowledge for DEO posts, -1 per wrong answer); Session 2 qualifying Skill/Typing Test. source
Exam format
- General Awareness — 25 questions
- Quantitative Aptitude — 25 questions
- General Intelligence — 25 questions
- English Language — 25 questions
- Mathematical Abilities (Tier 2) — 30 questions
- Reasoning & General Intelligence (Tier 2) — 30 questions
- English Language & Comprehension (Tier 2) — 40 questions
- General Awareness (Tier 2) — 20 questions
- Computer Knowledge (Tier 2) — 15 questions
Key dates
"Revise it regularly" is the most common advice given to SSC CHSL candidates, and the least precisely defined. Our Flashcards deck for SSC CHSL draws from the real question bank: 235 questions spanning all 9 of the exam's topic areas across General Intelligence, General Awareness, Quantitative Aptitude, and English Language. That number is the input for an actual calculation, not a vague study-habit tip.
How long does one full pass take? At a sustainable 20 new cards a day, you reach all 235 cards for the first time in 12 days. That part is simple arithmetic.
How often does each card need to come back? This is the part most self-study schedules skip entirely. Cepeda, Vul, Rohrer, Wixted and Pashler's 2008 study in Psychological Science, "Spacing Effects in Learning: A Temporal Ridgeline of Optimal Retention," found the ideal gap between reviews is roughly 10-20% of how long you actually need to remember the material. For a typical three-month (90-day) SSC CHSL preparation runway, that works out to review gaps of roughly 9-18 days -- a specific, testable number, not "whenever I remember to."
What that means for one card, concretely: a card you first review on day 1, kept on a 9-18 day cycle across a 90-day runway, comes back around day 10-15, again near day 25-35, again near day 45-60, and again in the closing weeks before Tier 1 -- five or six separate retrievals. Compare that to the far more common pattern among SSC CHSL aspirants: work through a topic once while covering the syllabus, then not return to it until a general revision pass weeks or months later. One exposure, maximum gap -- close to the scenario this research consistently finds performs worst.
Dunlosky, Rawson, Marsh, Nathan and Willingham's broader 2013 review in Psychological Science in the Public Interest, "Improving Students' Learning With Effective Learning Techniques," evaluated ten of the most commonly used study techniques for their effect on long-term retention. Only two were rated "high utility": practice testing (pulling an answer out of memory, which is what flipping a flashcard forces you to do) and distributed practice (spacing that retrieval over time, which is what a review schedule enforces). Re-reading notes and highlighting -- the two techniques most students actually default to -- both rated "low utility" in the same review.
Flashcards does the part that's genuinely hard to manage by hand across a multi-month SSC CHSL timeline: it tracks which of the 235 cards you've seen, reschedules each one based on whether you got it right last time, and keeps resurfacing material from your early preparation instead of letting it quietly fade while your attention moves to new topics. You don't have to work out a 9-18 day interval yourself -- the review queue is already built around it.
Subscribe to Camino Prep Flashcards for SSC CHSL and put all 235 questions on a schedule that's actually designed to still be in your memory on exam day.